mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 15:32:52 +01:00
12 lines
374 B
LLVM
12 lines
374 B
LLVM
; Tests to make sure elimination of casts is working correctly
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
define i64 @test_sext_zext(i16 %A) {
|
|
%c1 = zext i16 %A to i32 ; <i32> [#uses=1]
|
|
%c2 = sext i32 %c1 to i64 ; <i64> [#uses=1]
|
|
ret i64 %c2
|
|
; CHECK-NOT: %c1
|
|
; CHECK: %c2 = zext i16 %A to i64
|
|
; CHECK: ret i64 %c2
|
|
}
|