forked from OSchip/llvm-project
27 lines
1019 B
LLVM
27 lines
1019 B
LLVM
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; modify_value will be inlined into main. With just the inliner pass, at most
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; some trivial DCE would happen, which in this case doesn't modify post-inlined
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; main much.
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; In contrast, with the full set of module inliner-related passes, at the end of
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; inlining (incl. function cleanups ran after inlining), main will be reduced to
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; a 'ret 10'
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;
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; RUN: opt -passes=inline -S < %s | FileCheck %s --check-prefix=INLINE --check-prefix=CHECK
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; RUN: opt -passes=scc-oz-module-inliner -S < %s | FileCheck %s --check-prefix=MODULE --check-prefix=CHECK
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define void @modify_value({i32, float}* %v) {
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%f = getelementptr { i32, float }, { i32, float }* %v, i64 0, i32 0
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store i32 10, i32* %f
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ret void
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}
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define i32 @main() {
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%my_val = alloca {i32, float}
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call void @modify_value({i32, float}* %my_val)
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%f = getelementptr { i32, float }, { i32, float }* %my_val, i64 0, i32 0
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%ret = load i32, i32* %f
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ret i32 %ret
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}
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; CHECK-LABEL: @main
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; INLINE-NEXT: %my_val = alloca
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; MODULE-NEXT: ret i32 10
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