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1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py2# RUN: llc -o - -mtriple=x86_64-- -run-pass=greedy %s | FileCheck %s3# Tests for stack folding MULX. Doing this as a MIR test to ensure MULX is used and not legacy MUL.4--- |5 ; Function Attrs: nounwind6 define i32 @stack_fold_mulx_u32(i32 %a0, i32 %a1) #0 {7 tail call void asm sideeffect "nop", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()8 %1 = zext i32 %a0 to i1289 %2 = zext i32 %a1 to i12810 %3 = mul i128 %1, %211 %4 = lshr i128 %3, 3212 %5 = trunc i128 %4 to i3213 ret i32 %514 }15 16 ; Function Attrs: nounwind17 define i64 @stack_fold_mulx_u64(i64 %a0, i64 %a1) #0 {18 tail call void asm sideeffect "nop", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"()19 %1 = zext i64 %a0 to i12820 %2 = zext i64 %a1 to i12821 %3 = mul i128 %1, %222 %4 = lshr i128 %3, 6423 %5 = trunc i128 %4 to i6424 ret i64 %525 }26 27 ; Function Attrs: nounwind28 declare void @llvm.stackprotector(ptr, ptr) #129 30 attributes #0 = { nounwind "target-features"="+bmi2" }31 attributes #1 = { nounwind }32 33...34---35name: stack_fold_mulx_u3236alignment: 1637tracksRegLiveness: true38registers:39 - { id: 0, class: gr32 }40 - { id: 1, class: gr32 }41 - { id: 2, class: fr64 }42 - { id: 3, class: gr32 }43 - { id: 4, class: gr32 }44liveins:45 - { reg: '$edi', virtual-reg: '%0' }46 - { reg: '$esi', virtual-reg: '%1' }47body: |48 bb.0 (%ir-block.0):49 liveins: $edi, $esi50 51 ; CHECK-LABEL: name: stack_fold_mulx_u3252 ; CHECK: liveins: $edi, $esi53 ; CHECK: MOV32mr %stack.0, 1, $noreg, 0, $noreg, $esi :: (store (s32) into %stack.0)54 ; CHECK: MOV32mr %stack.1, 1, $noreg, 0, $noreg, $edi :: (store (s32) into %stack.1)55 ; CHECK: INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $rax, 12 /* clobber */, implicit-def dead early-clobber $rbx, 12 /* clobber */, implicit-def dead early-clobber $rcx, 12 /* clobber */, implicit-def dead early-clobber $rdx, 12 /* clobber */, implicit-def dead early-clobber $rsi, 12 /* clobber */, implicit-def dead early-clobber $rdi, 12 /* clobber */, implicit-def dead early-clobber $rbp, 12 /* clobber */, implicit-def dead early-clobber $r8, 12 /* clobber */, implicit-def dead early-clobber $r9, 12 /* clobber */, implicit-def dead early-clobber $r10, 12 /* clobber */, implicit-def dead early-clobber $r11, 12 /* clobber */, implicit-def dead early-clobber $r12, 12 /* clobber */, implicit-def dead early-clobber $r13, 12 /* clobber */, implicit-def dead early-clobber $r14, 12 /* clobber */, implicit-def dead early-clobber $r1556 ; CHECK: $edx = MOV32rm %stack.1, 1, $noreg, 0, $noreg :: (load (s32) from %stack.1)57 ; CHECK: %3:gr32, dead %4:gr32 = MULX32rm %stack.0, 1, $noreg, 0, $noreg, implicit $edx :: (load (s32) from %stack.0)58 ; CHECK: $eax = COPY %359 ; CHECK: RET 0, $eax60 %1:gr32 = COPY $esi61 %0:gr32 = COPY $edi62 INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $rax, 12 /* clobber */, implicit-def dead early-clobber $rbx, 12 /* clobber */, implicit-def dead early-clobber $rcx, 12 /* clobber */, implicit-def dead early-clobber $rdx, 12 /* clobber */, implicit-def dead early-clobber $rsi, 12 /* clobber */, implicit-def dead early-clobber $rdi, 12 /* clobber */, implicit-def dead early-clobber $rbp, 12 /* clobber */, implicit-def dead early-clobber $r8, 12 /* clobber */, implicit-def dead early-clobber $r9, 12 /* clobber */, implicit-def dead early-clobber $r10, 12 /* clobber */, implicit-def dead early-clobber $r11, 12 /* clobber */, implicit-def dead early-clobber $r12, 12 /* clobber */, implicit-def dead early-clobber $r13, 12 /* clobber */, implicit-def dead early-clobber $r14, 12 /* clobber */, implicit-def dead early-clobber $r1563 $edx = COPY %064 %3:gr32, dead %4:gr32 = MULX32rr %1, implicit killed $edx65 $eax = COPY %366 RET 0, killed $eax67 68...69---70name: stack_fold_mulx_u6471alignment: 1672tracksRegLiveness: true73registers:74 - { id: 0, class: gr64 }75 - { id: 1, class: gr64 }76 - { id: 2, class: fr64 }77 - { id: 3, class: gr64 }78 - { id: 4, class: gr64 }79liveins:80 - { reg: '$rdi', virtual-reg: '%0' }81 - { reg: '$rsi', virtual-reg: '%1' }82body: |83 bb.0 (%ir-block.0):84 liveins: $rdi, $rsi85 86 ; CHECK-LABEL: name: stack_fold_mulx_u6487 ; CHECK: liveins: $rdi, $rsi88 ; CHECK: MOV64mr %stack.0, 1, $noreg, 0, $noreg, $rsi :: (store (s64) into %stack.0)89 ; CHECK: MOV64mr %stack.1, 1, $noreg, 0, $noreg, $rdi :: (store (s64) into %stack.1)90 ; CHECK: INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $rax, 12 /* clobber */, implicit-def dead early-clobber $rbx, 12 /* clobber */, implicit-def dead early-clobber $rcx, 12 /* clobber */, implicit-def dead early-clobber $rdx, 12 /* clobber */, implicit-def dead early-clobber $rsi, 12 /* clobber */, implicit-def dead early-clobber $rdi, 12 /* clobber */, implicit-def dead early-clobber $rbp, 12 /* clobber */, implicit-def dead early-clobber $r8, 12 /* clobber */, implicit-def dead early-clobber $r9, 12 /* clobber */, implicit-def dead early-clobber $r10, 12 /* clobber */, implicit-def dead early-clobber $r11, 12 /* clobber */, implicit-def dead early-clobber $r12, 12 /* clobber */, implicit-def dead early-clobber $r13, 12 /* clobber */, implicit-def dead early-clobber $r14, 12 /* clobber */, implicit-def dead early-clobber $r1591 ; CHECK: $rdx = MOV64rm %stack.1, 1, $noreg, 0, $noreg :: (load (s64) from %stack.1)92 ; CHECK: %3:gr64, dead %4:gr64 = MULX64rm %stack.0, 1, $noreg, 0, $noreg, implicit $rdx :: (load (s64) from %stack.0)93 ; CHECK: $rax = COPY %394 ; CHECK: RET 0, $rax95 %1:gr64 = COPY $rsi96 %0:gr64 = COPY $rdi97 INLINEASM &nop, 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $rax, 12 /* clobber */, implicit-def dead early-clobber $rbx, 12 /* clobber */, implicit-def dead early-clobber $rcx, 12 /* clobber */, implicit-def dead early-clobber $rdx, 12 /* clobber */, implicit-def dead early-clobber $rsi, 12 /* clobber */, implicit-def dead early-clobber $rdi, 12 /* clobber */, implicit-def dead early-clobber $rbp, 12 /* clobber */, implicit-def dead early-clobber $r8, 12 /* clobber */, implicit-def dead early-clobber $r9, 12 /* clobber */, implicit-def dead early-clobber $r10, 12 /* clobber */, implicit-def dead early-clobber $r11, 12 /* clobber */, implicit-def dead early-clobber $r12, 12 /* clobber */, implicit-def dead early-clobber $r13, 12 /* clobber */, implicit-def dead early-clobber $r14, 12 /* clobber */, implicit-def dead early-clobber $r1598 $rdx = COPY %099 %3:gr64, dead %4:gr64 = MULX64rr %1, implicit killed $rdx100 $rax = COPY %3101 RET 0, killed $rax102 103...104