46505b3cbf
SelectInlineAsmMemoryOperands - change the vector of SDValue into a list of SDNodeHandle. Fixes issues where x86 might call replaceAllUses when matching address. Fixes https://github.com/llvm/llvm-project/issues/82431 - see https://github.com/llvm/llvm-project/issues/82431 for more information.
74 lines
2.4 KiB
LLVM
74 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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; A bug in X86DAGToDAGISel::matchAddressRecursively create a zext SDValue which
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; is quickly replaced by other SDValue but already pushed into vector for later
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; calling for SelectionDAGISel::Select_INLINEASM getNode builder, see issue
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; 82431 for more infomation.
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define i64 @PR82431_0(i8 %call, ptr %b) {
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; CHECK-LABEL: PR82431_0:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzbl %dil, %eax
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; CHECK-NEXT: movq 8(%rsi,%rax,8), %rax
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; CHECK-NEXT: retq
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entry:
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%narrow = add nuw i8 %call, 1
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%idxprom = zext i8 %narrow to i64
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%arrayidx = getelementptr [1 x i64], ptr %b, i64 0, i64 %idxprom
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%ret_val = load i64, ptr %arrayidx
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ret i64 %ret_val
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}
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define i32 @PR82431_1(i32 %0, ptr %f) {
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; CHECK-LABEL: PR82431_1:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
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; CHECK-NEXT: addl %edi, %edi
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; CHECK-NEXT: andl $8, %edi
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; CHECK-NEXT: movl 4(%rsi,%rdi), %eax
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; CHECK-NEXT: retq
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entry:
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%shr = lshr i32 %0, 1
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%and = and i32 %shr, 2
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%add = or i32 %and, 1
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%idxprom = zext i32 %add to i64
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%arrayidx = getelementptr [0 x i32], ptr %f, i64 0, i64 %idxprom
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%ret_val = load i32, ptr %arrayidx
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ret i32 %ret_val
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}
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define void @PR82431_2(i8 %call, ptr %b) {
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; CHECK-LABEL: PR82431_2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzbl %dil, %eax
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: retq
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entry:
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%narrow = add nuw i8 %call, 1
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%idxprom = zext i8 %narrow to i64
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%arrayidx = getelementptr [1 x i64], ptr %b, i64 0, i64 %idxprom
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tail call void asm "", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i64) %arrayidx, ptr elementtype(i64) %arrayidx)
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ret void
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}
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define void @PR82431_3(i32 %0, ptr %f) {
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; CHECK-LABEL: PR82431_3:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
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; CHECK-NEXT: addl %edi, %edi
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; CHECK-NEXT: andl $8, %edi
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; CHECK-NEXT: #APP
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; CHECK-NEXT: #NO_APP
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; CHECK-NEXT: retq
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entry:
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%shr = lshr i32 %0, 1
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%and = and i32 %shr, 2
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%add = or i32 %and, 1
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%idxprom = zext i32 %add to i64
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%arrayidx = getelementptr [0 x i32], ptr %f, i64 0, i64 %idxprom
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tail call void asm "", "=*m,*m,~{dirflag},~{fpsr},~{flags}"(ptr elementtype(i32) %arrayidx, ptr elementtype(i32) %arrayidx)
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ret void
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}
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