1; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator %s -o - | FileCheck %s 2 3; Test that extends correctly translate to G_[ZS]EXT. The translator will never 4; emit a G_SEXT_INREG. 5 6define i32 @test_zext(i32 %a) { 7 ; CHECK-LABEL: name: test_zext 8 ; CHECK: %0:_(s32) = COPY $w0 9 ; CHECK: %1:_(s8) = G_TRUNC %0(s32) 10 ; CHECK: %2:_(s16) = G_ZEXT %1(s8) 11 ; CHECK: %3:_(s32) = G_ZEXT %2(s16) 12 ; CHECK: $w0 = COPY %3(s32) 13 %tmp0 = trunc i32 %a to i8 14 %tmp1 = zext i8 %tmp0 to i16 15 %tmp2 = zext i16 %tmp1 to i32 16 ret i32 %tmp2 17} 18 19define i32 @test_sext(i32 %a) { 20 ; CHECK-LABEL: name: test_sext 21 ; CHECK: %0:_(s32) = COPY $w0 22 ; CHECK: %1:_(s8) = G_TRUNC %0(s32) 23 ; CHECK: %2:_(s16) = G_SEXT %1(s8) 24 ; CHECK: %3:_(s32) = G_SEXT %2(s16) 25 ; CHECK: $w0 = COPY %3(s32) 26 %tmp0 = trunc i32 %a to i8 27 %tmp1 = sext i8 %tmp0 to i16 28 %tmp2 = sext i16 %tmp1 to i32 29 ret i32 %tmp2 30} 31