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Diffstat (limited to 'test/Transforms/SROA/slice-width.ll')
-rw-r--r-- | test/Transforms/SROA/slice-width.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/SROA/slice-width.ll b/test/Transforms/SROA/slice-width.ll new file mode 100644 index 0000000..179780b --- /dev/null +++ b/test/Transforms/SROA/slice-width.ll @@ -0,0 +1,25 @@ +; RUN: opt < %s -sroa -S | FileCheck %s +target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64" + +declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind + +define void @no_split_on_non_byte_width(i32) { +; This tests that allocas are not split into slices that are not byte width multiple + %arg = alloca i32 , align 8 + store i32 %0, i32* %arg + br label %load_i32 + +load_i32: +; CHECK-LABEL: load_i32: +; CHECK-NOT: bitcast {{.*}} to i1 +; CHECK-NOT: zext i1 + %r0 = load i32* %arg + br label %load_i1 + +load_i1: +; CHECK-LABEL: load_i1: +; CHECK: bitcast {{.*}} to i1 + %p1 = bitcast i32* %arg to i1* + %t1 = load i1* %p1 + ret void +} |