mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-11-04 05:17:07 +00:00 
			
		
		
		
	Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
  sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
		
	
		
			
				
	
	
		
			628 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			628 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc -mtriple=aarch64-apple-darwin                             -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=SDAG
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; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK --check-prefix=FAST
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; Load / Store Base Register only
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define zeroext i1 @load_breg_i1(i1* %a) {
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; CHECK-LABEL: load_breg_i1
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; CHECK:       ldrb {{w[0-9]+}}, [x0]
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  %1 = load i1, i1* %a
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  ret i1 %1
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}
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define zeroext i8 @load_breg_i8(i8* %a) {
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; CHECK-LABEL: load_breg_i8
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; CHECK:       ldrb {{w[0-9]+}}, [x0]
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  %1 = load i8, i8* %a
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  ret i8 %1
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}
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define zeroext i16 @load_breg_i16(i16* %a) {
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; CHECK-LABEL: load_breg_i16
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; CHECK:       ldrh {{w[0-9]+}}, [x0]
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  %1 = load i16, i16* %a
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  ret i16 %1
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}
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define i32 @load_breg_i32(i32* %a) {
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; CHECK-LABEL: load_breg_i32
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; CHECK:       ldr {{w[0-9]+}}, [x0]
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  %1 = load i32, i32* %a
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  ret i32 %1
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}
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define i64 @load_breg_i64(i64* %a) {
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; CHECK-LABEL: load_breg_i64
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; CHECK:       ldr {{x[0-9]+}}, [x0]
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  %1 = load i64, i64* %a
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  ret i64 %1
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}
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define float @load_breg_f32(float* %a) {
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; CHECK-LABEL: load_breg_f32
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; CHECK:       ldr {{s[0-9]+}}, [x0]
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  %1 = load float, float* %a
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  ret float %1
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}
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define double @load_breg_f64(double* %a) {
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; CHECK-LABEL: load_breg_f64
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; CHECK:       ldr {{d[0-9]+}}, [x0]
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  %1 = load double, double* %a
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  ret double %1
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}
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define void @store_breg_i1(i1* %a) {
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; CHECK-LABEL: store_breg_i1
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; CHECK:       strb wzr, [x0]
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  store i1 0, i1* %a
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  ret void
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}
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define void @store_breg_i1_2(i1* %a) {
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; CHECK-LABEL: store_breg_i1_2
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; CHECK:       strb {{w[0-9]+}}, [x0]
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  store i1 true, i1* %a
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  ret void
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}
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define void @store_breg_i8(i8* %a) {
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; CHECK-LABEL: store_breg_i8
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; CHECK:       strb wzr, [x0]
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  store i8 0, i8* %a
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  ret void
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}
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define void @store_breg_i16(i16* %a) {
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; CHECK-LABEL: store_breg_i16
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; CHECK:       strh wzr, [x0]
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  store i16 0, i16* %a
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  ret void
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}
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define void @store_breg_i32(i32* %a) {
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; CHECK-LABEL: store_breg_i32
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; CHECK:       str wzr, [x0]
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  store i32 0, i32* %a
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  ret void
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}
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define void @store_breg_i64(i64* %a) {
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; CHECK-LABEL: store_breg_i64
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; CHECK:       str xzr, [x0]
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  store i64 0, i64* %a
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  ret void
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}
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define void @store_breg_f32(float* %a) {
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; CHECK-LABEL: store_breg_f32
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; CHECK:       str wzr, [x0]
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  store float 0.0, float* %a
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  ret void
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}
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define void @store_breg_f64(double* %a) {
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; CHECK-LABEL: store_breg_f64
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; CHECK:       str xzr, [x0]
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  store double 0.0, double* %a
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  ret void
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}
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; Load Immediate
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define i32 @load_immoff_1() {
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; CHECK-LABEL: load_immoff_1
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; CHECK:       orr {{w|x}}[[REG:[0-9]+]], {{wzr|xzr}}, #0x80
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; CHECK:       ldr {{w[0-9]+}}, {{\[}}x[[REG]]{{\]}}
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  %1 = inttoptr i64 128 to i32*
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  %2 = load i32, i32* %1
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  ret i32 %2
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}
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; Load / Store Base Register + Immediate Offset
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; Max supported negative offset
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define i32 @load_breg_immoff_1(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_1
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; CHECK:       ldur {{w[0-9]+}}, [x0, #-256]
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  %1 = add i64 %a, -256
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Min not-supported negative offset
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define i32 @load_breg_immoff_2(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_2
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; CHECK:       sub [[REG:x[0-9]+]], x0, #257
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; CHECK-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, -257
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Max supported unscaled offset
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define i32 @load_breg_immoff_3(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_3
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; CHECK:       ldur {{w[0-9]+}}, [x0, #255]
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  %1 = add i64 %a, 255
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Min un-supported unscaled offset
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define i32 @load_breg_immoff_4(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_4
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; CHECK:       add [[REG:x[0-9]+]], x0, #257
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; CHECK-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, 257
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Max supported scaled offset
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define i32 @load_breg_immoff_5(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_5
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; CHECK:       ldr {{w[0-9]+}}, [x0, #16380]
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  %1 = add i64 %a, 16380
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Min un-supported scaled offset
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define i32 @load_breg_immoff_6(i64 %a) {
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; SDAG-LABEL: load_breg_immoff_6
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; SDAG:       orr	w[[NUM:[0-9]+]], wzr, #0x4000
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; SDAG-NEXT:  ldr {{w[0-9]+}}, [x0, x[[NUM]]]
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; FAST-LABEL: load_breg_immoff_6
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; FAST:       add [[REG:x[0-9]+]], x0, #4, lsl #12
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; FAST-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, 16384
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Max supported negative offset
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define void @store_breg_immoff_1(i64 %a) {
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; CHECK-LABEL: store_breg_immoff_1
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; CHECK:       stur wzr, [x0, #-256]
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  %1 = add i64 %a, -256
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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; Min not-supported negative offset
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define void @store_breg_immoff_2(i64 %a) {
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; CHECK-LABEL: store_breg_immoff_2
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; CHECK:       sub [[REG:x[0-9]+]], x0, #257
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; CHECK-NEXT:  str wzr, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, -257
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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; Max supported unscaled offset
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define void @store_breg_immoff_3(i64 %a) {
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; CHECK-LABEL: store_breg_immoff_3
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; CHECK:       stur wzr, [x0, #255]
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  %1 = add i64 %a, 255
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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; Min un-supported unscaled offset
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define void @store_breg_immoff_4(i64 %a) {
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; CHECK-LABEL: store_breg_immoff_4
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; CHECK:       add [[REG:x[0-9]+]], x0, #257
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; CHECK-NEXT:  str wzr, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, 257
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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; Max supported scaled offset
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define void @store_breg_immoff_5(i64 %a) {
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; CHECK-LABEL: store_breg_immoff_5
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; CHECK:       str wzr, [x0, #16380]
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  %1 = add i64 %a, 16380
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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; Min un-supported scaled offset
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define void @store_breg_immoff_6(i64 %a) {
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; SDAG-LABEL: store_breg_immoff_6
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; SDAG:       orr	w[[NUM:[0-9]+]], wzr, #0x4000
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; SDAG-NEXT:  str wzr, [x0, x[[NUM]]]
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; FAST-LABEL: store_breg_immoff_6
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; FAST:       add [[REG:x[0-9]+]], x0, #4, lsl #12
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; FAST-NEXT:  str wzr, {{\[}}[[REG]]{{\]}}
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  %1 = add i64 %a, 16384
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  %2 = inttoptr i64 %1 to i32*
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  store i32 0, i32* %2
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  ret void
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}
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define i64 @load_breg_immoff_7(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_7
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; CHECK:       ldr {{x[0-9]+}}, [x0, #48]
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  %1 = add i64 %a, 48
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  %2 = inttoptr i64 %1 to i64*
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  %3 = load i64, i64* %2
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  ret i64 %3
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}
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; Flip add operands
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define i64 @load_breg_immoff_8(i64 %a) {
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; CHECK-LABEL: load_breg_immoff_8
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; CHECK:       ldr {{x[0-9]+}}, [x0, #48]
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  %1 = add i64 48, %a
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  %2 = inttoptr i64 %1 to i64*
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  %3 = load i64, i64* %2
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  ret i64 %3
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}
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; Load Base Register + Register Offset
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define i64 @load_breg_offreg_1(i64 %a, i64 %b) {
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; CHECK-LABEL: load_breg_offreg_1
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; CHECK:       ldr {{x[0-9]+}}, [x0, x1]
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  %1 = add i64 %a, %b
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  %2 = inttoptr i64 %1 to i64*
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  %3 = load i64, i64* %2
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  ret i64 %3
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}
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; Flip add operands
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define i64 @load_breg_offreg_2(i64 %a, i64 %b) {
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; CHECK-LABEL: load_breg_offreg_2
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; CHECK:       ldr {{x[0-9]+}}, [x1, x0]
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  %1 = add i64 %b, %a
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  %2 = inttoptr i64 %1 to i64*
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  %3 = load i64, i64* %2
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  ret i64 %3
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}
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; Load Base Register + Register Offset + Immediate Offset
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define i64 @load_breg_offreg_immoff_1(i64 %a, i64 %b) {
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; CHECK-LABEL: load_breg_offreg_immoff_1
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; CHECK:       add [[REG:x[0-9]+]], x0, x1
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; CHECK-NEXT:  ldr x0, {{\[}}[[REG]], #48{{\]}}
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  %1 = add i64 %a, %b
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  %2 = add i64 %1, 48
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  %3 = inttoptr i64 %2 to i64*
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  %4 = load i64, i64* %3
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  ret i64 %4
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}
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define i64 @load_breg_offreg_immoff_2(i64 %a, i64 %b) {
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; SDAG-LABEL: load_breg_offreg_immoff_2
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; SDAG:       add [[REG1:x[0-9]+]], x0, x1
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; SDAG-NEXT:  orr w[[NUM:[0-9]+]], wzr, #0xf000
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; SDAG-NEXT:  ldr x0, {{\[}}[[REG1]], x[[NUM]]]
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; FAST-LABEL: load_breg_offreg_immoff_2
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; FAST:       add [[REG:x[0-9]+]], x0, #15, lsl #12
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; FAST-NEXT:  ldr x0, {{\[}}[[REG]], x1{{\]}}
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  %1 = add i64 %a, %b
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  %2 = add i64 %1, 61440
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  %3 = inttoptr i64 %2 to i64*
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  %4 = load i64, i64* %3
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  ret i64 %4
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}
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; Load Scaled Register Offset
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define i32 @load_shift_offreg_1(i64 %a) {
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; CHECK-LABEL: load_shift_offreg_1
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; CHECK:       lsl [[REG:x[0-9]+]], x0, #2
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; CHECK:       ldr {{w[0-9]+}}, {{\[}}[[REG]]{{\]}}
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  %1 = shl i64 %a, 2
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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define i32 @load_mul_offreg_1(i64 %a) {
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; CHECK-LABEL: load_mul_offreg_1
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; CHECK:       lsl [[REG:x[0-9]+]], x0, #2
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; CHECK:       ldr {{w[0-9]+}}, {{\[}}[[REG]]{{\]}}
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  %1 = mul i64 %a, 4
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  %2 = inttoptr i64 %1 to i32*
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  %3 = load i32, i32* %2
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  ret i32 %3
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}
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; Load Base Register + Scaled Register Offset
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define i32 @load_breg_shift_offreg_1(i64 %a, i64 %b) {
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; CHECK-LABEL: load_breg_shift_offreg_1
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; CHECK:       ldr {{w[0-9]+}}, [x1, x0, lsl #2]
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  %1 = shl i64 %a, 2
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  %2 = add i64 %1, %b
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  %3 = inttoptr i64 %2 to i32*
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  %4 = load i32, i32* %3
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  ret i32 %4
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}
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define i32 @load_breg_shift_offreg_2(i64 %a, i64 %b) {
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; CHECK-LABEL: load_breg_shift_offreg_2
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; CHECK:       ldr {{w[0-9]+}}, [x1, x0, lsl #2]
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  %1 = shl i64 %a, 2
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  %2 = add i64 %b, %1
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  %3 = inttoptr i64 %2 to i32*
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  %4 = load i32, i32* %3
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  ret i32 %4
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}
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define i32 @load_breg_shift_offreg_3(i64 %a, i64 %b) {
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; SDAG-LABEL: load_breg_shift_offreg_3
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; SDAG:       lsl [[REG:x[0-9]+]], x0, #2
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; SDAG-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x1, lsl #2{{\]}}
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						|
; FAST-LABEL: load_breg_shift_offreg_3
 | 
						|
; FAST:       lsl [[REG:x[0-9]+]], x1, #2
 | 
						|
; FAST-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
  %1 = shl i64 %a, 2
 | 
						|
  %2 = shl i64 %b, 2
 | 
						|
  %3 = add i64 %1, %2
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_shift_offreg_4(i64 %a, i64 %b) {
 | 
						|
; SDAG-LABEL: load_breg_shift_offreg_4
 | 
						|
; SDAG:       lsl [[REG:x[0-9]+]], x1, #2
 | 
						|
; SDAG-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
; FAST-LABEL: load_breg_shift_offreg_4
 | 
						|
; FAST:       lsl [[REG:x[0-9]+]], x0, #2
 | 
						|
; FAST-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x1, lsl #2{{\]}}
 | 
						|
  %1 = shl i64 %a, 2
 | 
						|
  %2 = shl i64 %b, 2
 | 
						|
  %3 = add i64 %2, %1
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_shift_offreg_5(i64 %a, i64 %b) {
 | 
						|
; SDAG-LABEL: load_breg_shift_offreg_5
 | 
						|
; SDAG:       lsl [[REG:x[0-9]+]], x1, #3
 | 
						|
; SDAG-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
; FAST-LABEL: load_breg_shift_offreg_5
 | 
						|
; FAST:       lsl [[REG:x[0-9]+]], x1, #3
 | 
						|
; FAST-NEXT:  ldr {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
  %1 = shl i64 %a, 2
 | 
						|
  %2 = shl i64 %b, 3
 | 
						|
  %3 = add i64 %1, %2
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_mul_offreg_1(i64 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_mul_offreg_1
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, x0, lsl #2]
 | 
						|
  %1 = mul i64 %a, 4
 | 
						|
  %2 = add i64 %1, %b
 | 
						|
  %3 = inttoptr i64 %2 to i32*
 | 
						|
  %4 = load i32, i32* %3
 | 
						|
  ret i32 %4
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i8 @load_breg_and_offreg_1(i64 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_1
 | 
						|
; CHECK:       ldrb {{w[0-9]+}}, [x1, w0, uxtw]
 | 
						|
  %1 = and i64 %a, 4294967295
 | 
						|
  %2 = add i64 %1, %b
 | 
						|
  %3 = inttoptr i64 %2 to i8*
 | 
						|
  %4 = load i8, i8* %3
 | 
						|
  ret i8 %4
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i16 @load_breg_and_offreg_2(i64 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_2
 | 
						|
; CHECK:       ldrh {{w[0-9]+}}, [x1, w0, uxtw #1]
 | 
						|
  %1 = and i64 %a, 4294967295
 | 
						|
  %2 = shl i64 %1, 1
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i16*
 | 
						|
  %5 = load i16, i16* %4
 | 
						|
  ret i16 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_and_offreg_3(i64 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_3
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, uxtw #2]
 | 
						|
  %1 = and i64 %a, 4294967295
 | 
						|
  %2 = shl i64 %1, 2
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i64 @load_breg_and_offreg_4(i64 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_4
 | 
						|
; CHECK:       ldr {{x[0-9]+}}, [x1, w0, uxtw #3]
 | 
						|
  %1 = and i64 %a, 4294967295
 | 
						|
  %2 = shl i64 %1, 3
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i64*
 | 
						|
  %5 = load i64, i64* %4
 | 
						|
  ret i64 %5
 | 
						|
}
 | 
						|
 | 
						|
; Not all 'and' instructions have immediates.
 | 
						|
define i64 @load_breg_and_offreg_5(i64 %a, i64 %b, i64 %c) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_5
 | 
						|
; CHECK:       and [[REG:x[0-9]+]], x0, x2
 | 
						|
; CHECK-NEXT:  ldr {{x[0-9]+}}, {{\[}}[[REG]], x1{{\]}}
 | 
						|
  %1 = and i64 %a, %c
 | 
						|
  %2 = add i64 %1, %b
 | 
						|
  %3 = inttoptr i64 %2 to i64*
 | 
						|
  %4 = load i64, i64* %3
 | 
						|
  ret i64 %4
 | 
						|
}
 | 
						|
 | 
						|
define i64 @load_breg_and_offreg_6(i64 %a, i64 %b, i64 %c) {
 | 
						|
; CHECK-LABEL: load_breg_and_offreg_6
 | 
						|
; CHECK:       and [[REG:x[0-9]+]], x0, x2
 | 
						|
; CHECK-NEXT:  ldr {{x[0-9]+}}, {{\[}}x1, [[REG]], lsl #3{{\]}}
 | 
						|
  %1 = and i64 %a, %c
 | 
						|
  %2 = shl i64 %1, 3
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i64*
 | 
						|
  %5 = load i64, i64* %4
 | 
						|
  ret i64 %5
 | 
						|
}
 | 
						|
 | 
						|
; Load Base Register + Scaled Register Offset + Sign/Zero extension
 | 
						|
define i32 @load_breg_zext_shift_offreg_1(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_zext_shift_offreg_1
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, uxtw #2]
 | 
						|
  %1 = zext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 2
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_zext_shift_offreg_2(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_zext_shift_offreg_2
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, uxtw #2]
 | 
						|
  %1 = zext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 2
 | 
						|
  %3 = add i64 %b, %2
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_zext_mul_offreg_1(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_zext_mul_offreg_1
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, uxtw #2]
 | 
						|
  %1 = zext i32 %a to i64
 | 
						|
  %2 = mul i64 %1, 4
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_sext_shift_offreg_1(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_sext_shift_offreg_1
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, sxtw #2]
 | 
						|
  %1 = sext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 2
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_breg_sext_shift_offreg_2(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_sext_shift_offreg_2
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, sxtw #2]
 | 
						|
  %1 = sext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 2
 | 
						|
  %3 = add i64 %b, %2
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
; Make sure that we don't drop the first 'add' instruction.
 | 
						|
define i32 @load_breg_sext_shift_offreg_3(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_sext_shift_offreg_3
 | 
						|
; CHECK:       add [[REG:w[0-9]+]], w0, #4
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, {{\[}}x1, [[REG]], sxtw #2{{\]}}
 | 
						|
  %1 = add i32 %a, 4
 | 
						|
  %2 = sext i32 %1 to i64
 | 
						|
  %3 = shl i64 %2, 2
 | 
						|
  %4 = add i64 %b, %3
 | 
						|
  %5 = inttoptr i64 %4 to i32*
 | 
						|
  %6 = load i32, i32* %5
 | 
						|
  ret i32 %6
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
define i32 @load_breg_sext_mul_offreg_1(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_sext_mul_offreg_1
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, [x1, w0, sxtw #2]
 | 
						|
  %1 = sext i32 %a to i64
 | 
						|
  %2 = mul i64 %1, 4
 | 
						|
  %3 = add i64 %2, %b
 | 
						|
  %4 = inttoptr i64 %3 to i32*
 | 
						|
  %5 = load i32, i32* %4
 | 
						|
  ret i32 %5
 | 
						|
}
 | 
						|
 | 
						|
; Load Scaled Register Offset + Immediate Offset + Sign/Zero extension
 | 
						|
define i64 @load_sext_shift_offreg_imm1(i32 %a) {
 | 
						|
; CHECK-LABEL: load_sext_shift_offreg_imm1
 | 
						|
; CHECK:       sbfiz [[REG:x[0-9]+]], {{x[0-9]+}}, #3, #32
 | 
						|
; CHECK-NEXT:  ldr {{x[0-9]+}}, {{\[}}[[REG]], #8{{\]}}
 | 
						|
  %1 = sext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 3
 | 
						|
  %3 = add i64 %2, 8
 | 
						|
  %4 = inttoptr i64 %3 to i64*
 | 
						|
  %5 = load i64, i64* %4
 | 
						|
  ret i64 %5
 | 
						|
}
 | 
						|
 | 
						|
; Load Base Register + Scaled Register Offset + Immediate Offset + Sign/Zero extension
 | 
						|
define i64 @load_breg_sext_shift_offreg_imm1(i32 %a, i64 %b) {
 | 
						|
; CHECK-LABEL: load_breg_sext_shift_offreg_imm1
 | 
						|
; CHECK:       add [[REG:x[0-9]+]], x1, w0, sxtw #3
 | 
						|
; CHECK-NEXT:  ldr {{x[0-9]+}}, {{\[}}[[REG]], #8{{\]}}
 | 
						|
  %1 = sext i32 %a to i64
 | 
						|
  %2 = shl i64 %1, 3
 | 
						|
  %3 = add i64 %b, %2
 | 
						|
  %4 = add i64 %3, 8
 | 
						|
  %5 = inttoptr i64 %4 to i64*
 | 
						|
  %6 = load i64, i64* %5
 | 
						|
  ret i64 %6
 | 
						|
}
 | 
						|
 | 
						|
; Test that the kill flag is not set - the machine instruction verifier does that for us.
 | 
						|
define i64 @kill_reg(i64 %a) {
 | 
						|
  %1 = sub i64 %a, 8
 | 
						|
  %2 = add i64 %1, 96
 | 
						|
  %3 = inttoptr i64 %2 to i64*
 | 
						|
  %4 = load i64, i64* %3
 | 
						|
  %5 = add i64 %2, %4
 | 
						|
  ret i64 %5
 | 
						|
}
 | 
						|
 | 
						|
define void @store_fi(i64 %i) {
 | 
						|
; CHECK-LABEL: store_fi
 | 
						|
; CHECK:       mov [[REG:x[0-9]+]], sp
 | 
						|
; CHECK:       str {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
  %1 = alloca [8 x i32]
 | 
						|
  %2 = ptrtoint [8 x i32]* %1 to i64
 | 
						|
  %3 = mul i64 %i, 4
 | 
						|
  %4 = add i64 %2, %3
 | 
						|
  %5 = inttoptr i64 %4 to i32*
 | 
						|
  store i32 47, i32* %5, align 4
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
define i32 @load_fi(i64 %i) {
 | 
						|
; CHECK-LABEL: load_fi
 | 
						|
; CHECK:       mov [[REG:x[0-9]+]], sp
 | 
						|
; CHECK:       ldr {{w[0-9]+}}, {{\[}}[[REG]], x0, lsl #2{{\]}}
 | 
						|
  %1 = alloca [8 x i32]
 | 
						|
  %2 = ptrtoint [8 x i32]* %1 to i64
 | 
						|
  %3 = mul i64 %i, 4
 | 
						|
  %4 = add i64 %2, %3
 | 
						|
  %5 = inttoptr i64 %4 to i32*
 | 
						|
  %6 = load i32, i32* %5, align 4
 | 
						|
  ret i32 %6
 | 
						|
}
 | 
						|
 |