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4d9ea2c58a
Summary: Follow-up to https://reviews.llvm.org/D80581. Turns out the codegen part already worked, so only needed to add tests. I manually verified that in these tests the generated code for inalloca and preallocated were identical. Reviewers: efriedma, hans Subscribers: llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D80742
43 lines
1.6 KiB
LLVM
43 lines
1.6 KiB
LLVM
; RUN: llc -verify-machineinstrs -mtriple=i686-- < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mtriple=i686-- -O0 < %s | FileCheck %s
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; CHECK-LABEL: t1:
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; CHECK: jmp {{_?}}t1_callee
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define x86_thiscallcc void @t1(i8* %this) {
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%adj = getelementptr i8, i8* %this, i32 4
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musttail call x86_thiscallcc void @t1_callee(i8* %adj)
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ret void
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}
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declare x86_thiscallcc void @t1_callee(i8* %this)
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; CHECK-LABEL: t2:
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; CHECK: jmp {{_?}}t2_callee
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define x86_thiscallcc i32 @t2(i8* %this, i32 %a) {
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%adj = getelementptr i8, i8* %this, i32 4
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%rv = musttail call x86_thiscallcc i32 @t2_callee(i8* %adj, i32 %a)
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ret i32 %rv
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}
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declare x86_thiscallcc i32 @t2_callee(i8* %this, i32 %a)
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; CHECK-LABEL: t3:
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; CHECK: jmp {{_?}}t3_callee
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define x86_thiscallcc i8* @t3(i8* %this, <{ i8*, i32 }>* inalloca %args) {
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%adj = getelementptr i8, i8* %this, i32 4
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%a_ptr = getelementptr <{ i8*, i32 }>, <{ i8*, i32 }>* %args, i32 0, i32 1
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store i32 0, i32* %a_ptr
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%rv = musttail call x86_thiscallcc i8* @t3_callee(i8* %adj, <{ i8*, i32 }>* inalloca %args)
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ret i8* %rv
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}
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declare x86_thiscallcc i8* @t3_callee(i8* %this, <{ i8*, i32 }>* inalloca %args);
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; CHECK-LABEL: t4:
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; CHECK: jmp {{_?}}t4_callee
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define x86_thiscallcc i8* @t4(i8* %this, <{ i8*, i32 }>* preallocated(<{ i8*, i32 }>) %args) {
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%adj = getelementptr i8, i8* %this, i32 4
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%a_ptr = getelementptr <{ i8*, i32 }>, <{ i8*, i32 }>* %args, i32 0, i32 1
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store i32 0, i32* %a_ptr
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%rv = musttail call x86_thiscallcc i8* @t4_callee(i8* %adj, <{ i8*, i32 }>* preallocated(<{ i8*, i32 }>) %args)
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ret i8* %rv
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}
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declare x86_thiscallcc i8* @t4_callee(i8* %this, <{ i8*, i32 }>* preallocated(<{ i8*, i32 }>) %args);
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