1 # RUN: llc -o - %s -mtriple=x86_64-- -run-pass=x86-avoid-SFB | FileCheck %s 2 --- | 3 ; ModuleID = '../test/CodeGen/X86/avoid-sfb-mir.ll' 4 source_filename = "../test/CodeGen/X86/avoid-sfb-mir.ll" 5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6 target triple = "x86_64-unknown-linux-gnu" 7 8 %struct.S = type { i32, i32, i32, i32 } 9 10 ; Function Attrs: nounwind uwtable 11 define void @test_imm_store(%struct.S* noalias nocapture %s1, %struct.S* nocapture %s2, i32 %x, %struct.S* nocapture %s3) local_unnamed_addr #0 { 12 entry: 13 %a2 = bitcast %struct.S* %s1 to i32* 14 store i32 0, i32* %a2, align 4 15 %a13 = bitcast %struct.S* %s3 to i32* 16 store i32 1, i32* %a13, align 4 17 %0 = bitcast %struct.S* %s2 to i8* 18 %1 = bitcast %struct.S* %s1 to i8* 19 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 16, i1 false) 20 ret void 21 } 22 23 declare void @bar(%struct.S*) local_unnamed_addr 24 25 ; Function Attrs: argmemonly nounwind 26 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1 27 28 ... 29 --- 30 name: test_imm_store 31 alignment: 4 32 tracksRegLiveness: true 33 registers: 34 - { id: 0, class: gr64 } 35 - { id: 1, class: gr64 } 36 - { id: 2, class: gr32 } 37 - { id: 3, class: gr64 } 38 - { id: 4, class: vr128 } 39 liveins: 40 - { reg: '$rdi', virtual-reg: '%0' } 41 - { reg: '$rsi', virtual-reg: '%1' } 42 - { reg: '$rcx', virtual-reg: '%3' } 43 body: | 44 bb.0.entry: 45 liveins: $rdi, $rsi, $rcx 46 ; CHECK: MOV32mi %0, 1, $noreg, 0, $noreg, 0 :: (store 4 into %ir.a2) 47 ; CHECK-NEXT: MOV32mi %3, 1, $noreg, 0, $noreg, 1 :: (store 4 into %ir.a13) 48 ; CHECK-NEXT: %5:gr32 = MOV32rm %0, 1, $noreg, 0, $noreg :: (load 4 from %ir.1) 49 ; CHECK-NEXT: MOV32mr %1, 1, $noreg, 0, $noreg, killed %5 :: (store 4 into %ir.0) 50 ; CHECK-NEXT: %6:gr64 = MOV64rm %0, 1, $noreg, 4, $noreg :: (load 8 from %ir.1 + 4, align 4) 51 ; CHECK-NEXT: MOV64mr %1, 1, $noreg, 4, $noreg, killed %6 :: (store 8 into %ir.0 + 4, align 4) 52 ; CHECK-NEXT: %7:gr32 = MOV32rm killed %0, 1, $noreg, 12, $noreg :: (load 4 from %ir.1 + 12) 53 ; CHECK-NEXT: MOV32mr killed %1, 1, $noreg, 12, $noreg, killed %7 :: (store 4 into %ir.0 + 12) 54 55 %3:gr64 = COPY $rcx 56 %1:gr64 = COPY $rsi 57 %0:gr64 = COPY $rdi 58 MOV32mi %0, 1, $noreg, 0, $noreg, 0 :: (store 4 into %ir.a2) 59 MOV32mi %3, 1, $noreg, 0, $noreg, 1 :: (store 4 into %ir.a13) 60 %4:vr128 = MOVUPSrm killed %0, 1, $noreg, 0, $noreg :: (load 16 from %ir.1, align 4) 61 MOVUPSmr killed %1, 1, $noreg, 0, $noreg, killed %4 :: (store 16 into %ir.0, align 4) 62 RET 0 63 64 ... 65
