diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/all-bits-shift.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/all-bits-shift.ll | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/llvm/test/Transforms/InstCombine/all-bits-shift.ll b/llvm/test/Transforms/InstCombine/all-bits-shift.ll deleted file mode 100644 index a035f53d1aa..00000000000 --- a/llvm/test/Transforms/InstCombine/all-bits-shift.ll +++ /dev/null @@ -1,45 +0,0 @@ -; RUN: opt -S -instcombine -expensive-combines < %s | FileCheck %s -target datalayout = "E-m:e-i64:64-n32:64" -target triple = "powerpc64-unknown-linux-gnu" - -@d = global i32 15, align 4 -@b = global i32* @d, align 8 -@a = common global i32 0, align 4 - -; Function Attrs: nounwind -define signext i32 @main() #1 { -entry: - %0 = load i32*, i32** @b, align 8 - %1 = load i32, i32* @a, align 4 - %lnot = icmp eq i32 %1, 0 - %lnot.ext = zext i1 %lnot to i32 - %shr.i = lshr i32 2072, %lnot.ext - %call.lobit = lshr i32 %shr.i, 7 - %2 = and i32 %call.lobit, 1 - %3 = load i32, i32* %0, align 4 - %or = or i32 %2, %3 - store i32 %or, i32* %0, align 4 - %4 = load i32, i32* @a, align 4 - %lnot.1 = icmp eq i32 %4, 0 - %lnot.ext.1 = zext i1 %lnot.1 to i32 - %shr.i.1 = lshr i32 2072, %lnot.ext.1 - %call.lobit.1 = lshr i32 %shr.i.1, 7 - %5 = and i32 %call.lobit.1, 1 - %or.1 = or i32 %5, %or - store i32 %or.1, i32* %0, align 4 - ret i32 %or.1 - -; Check that both InstCombine and InstSimplify can use computeKnownBits to -; realize that: -; ((2072 >> (L == 0)) >> 7) & 1 -; is always zero. - -; CHECK-LABEL: @main -; CHECK: %[[V1:[0-9]+]] = load i32*, i32** @b, align 8 -; CHECK: %[[V2:[0-9]+]] = load i32, i32* %[[V1]], align 4 -; CHECK: ret i32 %[[V2]] -} - -attributes #0 = { nounwind readnone } -attributes #1 = { nounwind } - |