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llvm-mirror/test/Transforms/GVNHoist/hoist-pr28933.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

21 lines
827 B
LLVM

; RUN: opt -S -gvn-hoist -verify-memoryssa -newgvn < %s | FileCheck %s
; Check that we end up with one load and one store, in the right order
; CHECK-LABEL: define void @test_it(
; CHECK: store
; CHECK-NOT: store
; CHECK-NOT: load
%rec894.0.1.2.3.12 = type { i16 }
@a = external global %rec894.0.1.2.3.12
define void @test_it() {
bb2:
store i16 undef, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
%_tmp61 = load i16, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
store i16 undef, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
%_tmp92 = load i16, i16* getelementptr inbounds (%rec894.0.1.2.3.12, %rec894.0.1.2.3.12* @a, i16 0, i32 0), align 1
ret void
}