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llvm-6502/test/Transforms/ConstProp/loads.ll
David Blaikie 5a70dd1d82 [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 
Similar to gep (r230786) and load (r230794) changes.

Similar migration script can be used to update test cases, which
successfully migrated all of LLVM and Polly, but about 4 test cases
needed manually changes in Clang.

(this script will read the contents of stdin and massage it into stdout
- wrap it in the 'apply.sh' script shown in previous commits + xargs to
apply it over a large set of test cases)

import fileinput
import sys
import re

rep = re.compile(r"(getelementptr(?:\s+inbounds)?\s*\()((<\d*\s+x\s+)?([^@]*?)(|\s*addrspace\(\d+\))\s*\*(?(3)>)\s*)(?=$|%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|zeroinitializer|<|\[\[[a-zA-Z]|\{\{)", re.MULTILINE | re.DOTALL)

def conv(match):
  line = match.group(1)
  line += match.group(4)
  line += ", "
  line += match.group(2)
  return line

line = sys.stdin.read()
off = 0
for match in re.finditer(rep, line):
  sys.stdout.write(line[off:match.start()])
  sys.stdout.write(conv(match))
  off = match.end()
sys.stdout.write(line[off:])

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232184 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-13 18:20:45 +00:00

269 lines
5.9 KiB
LLVM
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; RUN: opt < %s -default-data-layout="e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=LE
; RUN: opt < %s -default-data-layout="E-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=BE
; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
@g2 = constant double 1.0
; { 0x7B, 0x06B1BFF8 }
@g3 = constant {i64, i64} { i64 123, i64 112312312 }
; Simple load
define i32 @test1() {
%r = load i32, i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0)
ret i32 %r
; 0xDEADBEEF
; LE-LABEL: @test1(
; LE: ret i32 -559038737
; 0xDEADBEEF
; BE-LABEL: @test1(
; BE: ret i32 -559038737
}
; PR3152
; Load of first 16 bits of 32-bit value.
define i16 @test2() {
%r = load i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*)
ret i16 %r
; 0xBEEF
; LE-LABEL: @test2(
; LE: ret i16 -16657
; 0xDEAD
; BE-LABEL: @test2(
; BE: ret i16 -8531
}
define i16 @test2_addrspacecast() {
%r = load i16, i16 addrspace(1)* addrspacecast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16 addrspace(1)*)
ret i16 %r
; 0xBEEF
; LE-LABEL: @test2_addrspacecast(
; LE: ret i16 -16657
; 0xDEAD
; BE-LABEL: @test2_addrspacecast(
; BE: ret i16 -8531
}
; Load of second 16 bits of 32-bit value.
define i16 @test3() {
%r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 1)
ret i16 %r
; 0xDEAD
; LE-LABEL: @test3(
; LE: ret i16 -8531
; 0xBEEF
; BE-LABEL: @test3(
; BE: ret i16 -16657
}
; Load of 8 bit field + tail padding.
define i16 @test4() {
%r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 2)
ret i16 %r
; 0x00BA
; LE-LABEL: @test4(
; LE: ret i16 186
; 0xBA00
; BE-LABEL: @test4(
; BE: ret i16 -17920
}
; Load of double bits.
define i64 @test6() {
%r = load i64, i64* bitcast(double* @g2 to i64*)
ret i64 %r
; 0x3FF_0000000000000
; LE-LABEL: @test6(
; LE: ret i64 4607182418800017408
; 0x3FF_0000000000000
; BE-LABEL: @test6(
; BE: ret i64 4607182418800017408
}
; Load of double bits.
define i16 @test7() {
%r = load i16, i16* bitcast(double* @g2 to i16*)
ret i16 %r
; 0x0000
; LE-LABEL: @test7(
; LE: ret i16 0
; 0x3FF0
; BE-LABEL: @test7(
; BE: ret i16 16368
}
; Double load.
define double @test8() {
%r = load double, double* bitcast({{i32,i8},i32}* @g1 to double*)
ret double %r
; LE-LABEL: @test8(
; LE: ret double 0xBADEADBEEF
; BE-LABEL: @test8(
; BE: ret double 0xDEADBEEFBA000000
}
; i128 load.
define i128 @test9() {
%r = load i128, i128* bitcast({i64, i64}* @g3 to i128*)
ret i128 %r
; 0x00000000_06B1BFF8_00000000_0000007B
; LE-LABEL: @test9(
; LE: ret i128 2071796475790618158476296315
; 0x00000000_0000007B_00000000_06B1BFF8
; BE-LABEL: @test9(
; BE: ret i128 2268949521066387161080
}
; vector load.
define <2 x i64> @test10() {
%r = load <2 x i64>, <2 x i64>* bitcast({i64, i64}* @g3 to <2 x i64>*)
ret <2 x i64> %r
; LE-LABEL: @test10(
; LE: ret <2 x i64> <i64 123, i64 112312312>
; BE-LABEL: @test10(
; BE: ret <2 x i64> <i64 123, i64 112312312>
}
; PR5287
; { 0xA1, 0x08 }
@g4 = internal constant { i8, i8 } { i8 -95, i8 8 }
define i16 @test11() nounwind {
entry:
%a = load i16, i16* bitcast ({ i8, i8 }* @g4 to i16*)
ret i16 %a
; 0x08A1
; LE-LABEL: @test11(
; LE: ret i16 2209
; 0xA108
; BE-LABEL: @test11(
; BE: ret i16 -24312
}
; PR5551
@test12g = private constant [6 x i8] c"a\00b\00\00\00"
define i16 @test12() {
%a = load i16, i16* getelementptr inbounds ([3 x i16], [3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1)
ret i16 %a
; 0x0062
; LE-LABEL: @test12(
; LE: ret i16 98
; 0x6200
; BE-LABEL: @test12(
; BE: ret i16 25088
}
; PR5978
@g5 = constant i8 4
define i1 @test13() {
%A = load i1, i1* bitcast (i8* @g5 to i1*)
ret i1 %A
; LE-LABEL: @test13(
; LE: ret i1 false
; BE-LABEL: @test13(
; BE: ret i1 false
}
@g6 = constant [2 x i8*] [i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*)]
define i64 @test14() nounwind {
entry:
%tmp = load i64, i64* bitcast ([2 x i8*]* @g6 to i64*)
ret i64 %tmp
; LE-LABEL: @test14(
; LE: ret i64 1
; BE-LABEL: @test14(
; BE: ret i64 1
}
; Check with address space pointers
@g6_as1 = constant [2 x i8 addrspace(1)*] [i8 addrspace(1)* inttoptr (i16 1 to i8 addrspace(1)*), i8 addrspace(1)* inttoptr (i16 2 to i8 addrspace(1)*)]
define i16 @test14_as1() nounwind {
entry:
%tmp = load i16, i16* bitcast ([2 x i8 addrspace(1)*]* @g6_as1 to i16*)
ret i16 %tmp
; LE: @test14_as1
; LE: ret i16 1
; BE: @test14_as1
; BE: ret i16 1
}
define i64 @test15() nounwind {
entry:
%tmp = load i64, i64* bitcast (i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @g6, i32 0, i64 1) to i64*)
ret i64 %tmp
; LE-LABEL: @test15(
; LE: ret i64 2
; BE-LABEL: @test15(
; BE: ret i64 2
}
@gv7 = constant [4 x i8*] [i8* null, i8* inttoptr (i64 -14 to i8*), i8* null, i8* null]
define i64 @test16.1() {
%v = load i64, i64* bitcast ([4 x i8*]* @gv7 to i64*), align 8
ret i64 %v
; LE-LABEL: @test16.1(
; LE: ret i64 0
; BE-LABEL: @test16.1(
; BE: ret i64 0
}
define i64 @test16.2() {
%v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 1) to i64*), align 8
ret i64 %v
; LE-LABEL: @test16.2(
; LE: ret i64 -14
; BE-LABEL: @test16.2(
; BE: ret i64 -14
}
define i64 @test16.3() {
%v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 2) to i64*), align 8
ret i64 %v
; LE-LABEL: @test16.3(
; LE: ret i64 0
; BE-LABEL: @test16.3(
; BE: ret i64 0
}
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