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| author | Nadav Rotem <nadav.rotem@intel.com> | 2011-08-20 14:02:29 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-08-20 14:02:29 +0000 |
| commit | ad4a70ad3e25be09cc31187188db122e774ecdcf (patch) | |
| tree | c368413b123eac27bce33fbf4903cfd8b6be167d /llvm/test/Transforms/InstCombine/bitcast.ll | |
| parent | b76f385334405e6517ee60b5dfdf569ff4e94f1f (diff) | |
| download | bcm5719-llvm-ad4a70ad3e25be09cc31187188db122e774ecdcf.tar.gz bcm5719-llvm-ad4a70ad3e25be09cc31187188db122e774ecdcf.zip | |
Add constant folding support for bitcasts of splat vectors to integers.
llvm-svn: 138206
Diffstat (limited to 'llvm/test/Transforms/InstCombine/bitcast.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/bitcast.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitcast.ll b/llvm/test/Transforms/InstCombine/bitcast.ll index 0718b8a3aee..b0630d27254 100644 --- a/llvm/test/Transforms/InstCombine/bitcast.ll +++ b/llvm/test/Transforms/InstCombine/bitcast.ll @@ -1,5 +1,8 @@ ; 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" + ; Bitcasts between vectors and scalars are valid. ; PR4487 define i32 @test1(i64 %a) { @@ -103,3 +106,10 @@ define <2 x float> @test6(float %A){ ; CHECK-NEXT: insertelement <2 x float> <float 4.200000e+01, float undef>, float %A, i32 1 ; CHECK: ret } + +define i64 @ISPC0(i64 %in) { + %out = and i64 %in, xor (i64 bitcast (<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1> to i64), i64 -1) + ret i64 %out +; CHECK: @ISPC0 +; CHECK: ret i64 0 +} |
