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llvm-6502/test/CodeGen/AArch64/rm_redundant_cmp.ll
David Blaikie 7c9c6ed761 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 
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
2015-02-27 21:17:42 +00:00

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; RUN: llc < %s -mtriple=aarch64-linux-gnuabi -O2 | FileCheck %s
; The following cases are for i16
%struct.s_signed_i16 = type { i16, i16, i16 }
%struct.s_unsigned_i16 = type { i16, i16, i16 }
@cost_s_i8_i16 = common global %struct.s_signed_i16 zeroinitializer, align 2
@cost_u_i16 = common global %struct.s_unsigned_i16 zeroinitializer, align 2
define void @test_i16_2cmp_signed_1() {
; CHECK-LABEL: test_i16_2cmp_signed_1
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.gt
; CHECK-NOT: cmp
; CHECK: b.ne
entry:
%0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2
%1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2
%cmp = icmp sgt i16 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp eq i16 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i16_2cmp_signed_2() {
; CHECK-LABEL: test_i16_2cmp_signed_2
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.le
; CHECK-NOT: cmp
; CHECK: b.ge
entry:
%0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2
%1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2
%cmp = icmp sgt i16 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp slt i16 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i16 %1, i16* getelementptr inbounds (%struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i16_2cmp_unsigned_1() {
; CHECK-LABEL: test_i16_2cmp_unsigned_1
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.hi
; CHECK-NOT: cmp
; CHECK: b.ne
entry:
%0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2
%1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2
%cmp = icmp ugt i16 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp eq i16 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i16_2cmp_unsigned_2() {
; CHECK-LABEL: test_i16_2cmp_unsigned_2
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.ls
; CHECK-NOT: cmp
; CHECK: b.hs
entry:
%0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2
%1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2
%cmp = icmp ugt i16 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp ult i16 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i16 %1, i16* getelementptr inbounds (%struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
; The following cases are for i8
%struct.s_signed_i8 = type { i8, i8, i8 }
%struct.s_unsigned_i8 = type { i8, i8, i8 }
@cost_s = common global %struct.s_signed_i8 zeroinitializer, align 2
@cost_u_i8 = common global %struct.s_unsigned_i8 zeroinitializer, align 2
define void @test_i8_2cmp_signed_1() {
; CHECK-LABEL: test_i8_2cmp_signed_1
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.gt
; CHECK-NOT: cmp
; CHECK: b.ne
entry:
%0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2
%1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2
%cmp = icmp sgt i8 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp eq i8 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i8_2cmp_signed_2() {
; CHECK-LABEL: test_i8_2cmp_signed_2
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.le
; CHECK-NOT: cmp
; CHECK: b.ge
entry:
%0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2
%1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2
%cmp = icmp sgt i8 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp slt i8 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i8 %1, i8* getelementptr inbounds (%struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i8_2cmp_unsigned_1() {
; CHECK-LABEL: test_i8_2cmp_unsigned_1
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.hi
; CHECK-NOT: cmp
; CHECK: b.ne
entry:
%0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2
%1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2
%cmp = icmp ugt i8 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp eq i8 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
define void @test_i8_2cmp_unsigned_2() {
; CHECK-LABEL: test_i8_2cmp_unsigned_2
; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
; CHECK-NEXT: b.ls
; CHECK-NOT: cmp
; CHECK: b.hs
entry:
%0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2
%1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2
%cmp = icmp ugt i8 %0, %1
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
br label %if.end8
if.else: ; preds = %entry
%cmp5 = icmp ult i8 %0, %1
br i1 %cmp5, label %if.then7, label %if.end8
if.then7: ; preds = %if.else
store i8 %1, i8* getelementptr inbounds (%struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
br label %if.end8
if.end8: ; preds = %if.else, %if.then7, %if.then
ret void
}
; Make sure the case below won't crash.
; The optimization of ZERO_EXTEND and SIGN_EXTEND in type legalization stage can't assert
; the operand of a set_cc is always a TRUNCATE.
define i1 @foo(float %inl, float %inr) {
%lval = fptosi float %inl to i8
%rval = fptosi float %inr to i8
%sum = icmp eq i8 %lval, %rval
ret i1 %sum
}
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