| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 | |
| ; These tests should not contain a sign extend. | |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | FileCheck %s | |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep extsh | |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep extsb | |
| define i32 @test1(i32 %mode.0.i.0) { | |
| ; CHECK-LABEL: test1: | |
| ; CHECK: # %bb.0: | |
| ; CHECK-NEXT: rlwinm 3, 3, 0, 27, 28 | |
| ; CHECK-NEXT: blr | |
| %tmp.79 = trunc i32 %mode.0.i.0 to i16 | |
| %tmp.80 = sext i16 %tmp.79 to i32 | |
| %tmp.81 = and i32 %tmp.80, 24 | |
| ret i32 %tmp.81 | |
| } | |
| define signext i16 @test2(i16 signext %X, i16 signext %x) { | |
| ; CHECK-LABEL: test2: | |
| ; CHECK: # %bb.0: | |
| ; CHECK-NEXT: add 3, 3, 4 | |
| ; CHECK-NEXT: srawi 3, 3, 1 | |
| ; CHECK-NEXT: blr | |
| %tmp = sext i16 %X to i32 | |
| %tmp1 = sext i16 %x to i32 | |
| %tmp2 = add i32 %tmp, %tmp1 | |
| %tmp4 = ashr i32 %tmp2, 1 | |
| %tmp5 = trunc i32 %tmp4 to i16 | |
| %tmp45 = sext i16 %tmp5 to i32 | |
| %retval = trunc i32 %tmp45 to i16 | |
| ret i16 %retval | |
| } | |
| define signext i16 @test3(i32 zeroext %X) { | |
| ; CHECK-LABEL: test3: | |
| ; CHECK: # %bb.0: | |
| ; CHECK-NEXT: srawi 3, 3, 16 | |
| ; CHECK-NEXT: blr | |
| %tmp1 = lshr i32 %X, 16 | |
| %tmp2 = trunc i32 %tmp1 to i16 | |
| ret i16 %tmp2 | |
| } | |