| ; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator %s -o - | FileCheck %s |
| |
| ; Test that extends correctly translate to G_[ZS]EXT. The translator will never |
| ; emit a G_SEXT_INREG. |
| |
| define i32 @test_zext(i32 %a) { |
| ; CHECK-LABEL: name: test_zext |
| ; CHECK: %0:_(s32) = COPY $w0 |
| ; CHECK: %1:_(s8) = G_TRUNC %0(s32) |
| ; CHECK: %2:_(s16) = G_ZEXT %1(s8) |
| ; CHECK: %3:_(s32) = G_ZEXT %2(s16) |
| ; CHECK: $w0 = COPY %3(s32) |
| %tmp0 = trunc i32 %a to i8 |
| %tmp1 = zext i8 %tmp0 to i16 |
| %tmp2 = zext i16 %tmp1 to i32 |
| ret i32 %tmp2 |
| } |
| |
| define i32 @test_sext(i32 %a) { |
| ; CHECK-LABEL: name: test_sext |
| ; CHECK: %0:_(s32) = COPY $w0 |
| ; CHECK: %1:_(s8) = G_TRUNC %0(s32) |
| ; CHECK: %2:_(s16) = G_SEXT %1(s8) |
| ; CHECK: %3:_(s32) = G_SEXT %2(s16) |
| ; CHECK: $w0 = COPY %3(s32) |
| %tmp0 = trunc i32 %a to i8 |
| %tmp1 = sext i8 %tmp0 to i16 |
| %tmp2 = sext i16 %tmp1 to i32 |
| ret i32 %tmp2 |
| } |
