| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s |
| |
| declare void @use(<1 x i16>) |
| |
| define i16 @basic(ptr %p) { |
| ; CHECK-LABEL: basic: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movswl (%rdi), %eax |
| ; CHECK-NEXT: movl %eax, %ecx |
| ; CHECK-NEXT: sarl %cl, %eax |
| ; CHECK-NEXT: # kill: def $ax killed $ax killed $eax |
| ; CHECK-NEXT: retq |
| %v = load i16, ptr %p |
| %s = ashr i16 %v, %v |
| ret i16 %s |
| } |
| |
| define void @crash(i1 %cond, ptr %p) { |
| ; CHECK-LABEL: crash: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: .p2align 4, 0x90 |
| ; CHECK-NEXT: .LBB1_1: # %loop |
| ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: testb $1, %dil |
| ; CHECK-NEXT: jne .LBB1_1 |
| ; CHECK-NEXT: # %bb.2: # %exit |
| ; CHECK-NEXT: retq |
| br label %loop |
| |
| loop: |
| %v = load <1 x i16>, ptr %p, align 2 |
| %ins = insertelement <4 x double> zeroinitializer, double 0.000000e+00, i32 0 |
| %cmp = fcmp uge <4 x double> %ins, zeroinitializer |
| %ashr = ashr <1 x i16> %v, %v |
| %shuf = shufflevector <4 x i1> %cmp, <4 x i1> zeroinitializer, <4 x i32> zeroinitializer |
| br i1 %cond, label %loop, label %exit |
| |
| exit: |
| %use1 = add <4 x i1> %shuf, zeroinitializer |
| %use2 = add <1 x i16> %ashr, zeroinitializer |
| ret void |
| } |