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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-01-23 20:41:05 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-01-23 20:41:05 +0000 |
| commit | b4d201ec544bbd3aec5e9feaec44df43b6b4bb6c (patch) | |
| tree | d8c04802d6bd1193a715a96f8b9ec221ef9125e7 /test | |
| parent | 9e6a5a37460ff82ad4e3a7aea1c45e2c934ab25b (diff) | |
| download | external_llvm-b4d201ec544bbd3aec5e9feaec44df43b6b4bb6c.zip external_llvm-b4d201ec544bbd3aec5e9feaec44df43b6b4bb6c.tar.gz external_llvm-b4d201ec544bbd3aec5e9feaec44df43b6b4bb6c.tar.bz2 | |
ConstantFolding: Evaluate GEP indices in the index type.
This fixes some edge cases that we would get wrong with uint64_ts.
PR14986.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173289 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/load3.ll | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/load3.ll b/test/Transforms/InstCombine/load3.ll index 35398e1..db74426 100644 --- a/test/Transforms/InstCombine/load3.ll +++ b/test/Transforms/InstCombine/load3.ll @@ -1,6 +1,6 @@ ; RUN: opt < %s -instcombine -S | FileCheck %s -target datalayout = "e-p:64:64:64-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-f80:128:128-n8:16:32:64" -target triple = "x86_64-apple-darwin10.0.0" +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" +target triple = "i386-apple-macosx10.0.0" ; Instcombine should be able to do trivial CSE of loads. @@ -24,4 +24,23 @@ define float @test2() { ; CHECK: @test2 ; CHECK: ret float 0x3806965600000000 -}
\ No newline at end of file +} + +@rslts32 = global [36 x i32] zeroinitializer, align 4 + +@expect32 = internal constant [36 x i32][ i32 1, i32 2, i32 0, i32 100, i32 3, +i32 4, i32 0, i32 -7, i32 4, i32 4, i32 8, i32 8, i32 1, i32 3, i32 8, i32 3, +i32 4, i32 -2, i32 2, i32 8, i32 83, i32 77, i32 8, i32 17, i32 77, i32 88, i32 +22, i32 33, i32 44, i32 88, i32 77, i32 4, i32 4, i32 7, i32 -7, i32 -8] , +align 4 + +; PR14986 +define void @test3() nounwind { +; This is a weird way of computing zero. + %l = load i32* getelementptr ([36 x i32]* @expect32, i32 29826161, i32 28), align 4 + store i32 %l, i32* getelementptr ([36 x i32]* @rslts32, i32 29826161, i32 28), align 4 + ret void + +; CHECK: @test3 +; CHECK: store i32 1, i32* getelementptr inbounds ([36 x i32]* @rslts32, i32 0, i32 0) +} |