73 lines
2.0 KiB
LLVM
73 lines
2.0 KiB
LLVM
; RUN: llvm-reduce %s -o %t --delta-passes=operands-to-args --test FileCheck --test-arg %s --test-arg --match-full-lines --test-arg --check-prefix=INTERESTING --test-arg --input-file
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; RUN: FileCheck %s --input-file %t --check-prefixes=REDUCED,INTERESTING
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; REDUCED-LABEL: define void @func(i32 %k, i32* %Local, i32* %Global, float* %0) {
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; Keep one reference to the original value.
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; INTERESTING: %[[LOCAL:Local[0-9]*]] = alloca i32, align 4
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; INTERESTING: store i32 42, i32* %[[LOCAL]], align 4
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; INTERESTING: store i32 42, i32* @Global, align 4
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; Everything else must use the function argument.
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; REDUCED: store i32 21, i32* %Local, align 4
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; REDUCED: store i32 21, i32* %Global, align 4
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; REDUCED: store i32 0, i32* %Local, align 4
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; REDUCED: store i32 0, i32* %Global, align 4
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; REDUCED: store float 0.000000e+00, float* %0, align 4
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; Do not add any arguments for %Keep and @GlobalKeep.
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; INTERESTING: %[[KEEP:LocalKeep[0-9]*]] = add i32 %k, 21
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; INTERESTING: store i32 %[[KEEP]], i32* @GlobalKeep, align 4
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; INTERESTING-LABEL: define void @func_caller() {
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; REDUCED: call void @func(i32 21, i32* undef, i32* undef, float* undef)
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@Global = global i32 42
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@GlobalKeep = global i32 42
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define void @func(i32 %k) {
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entry:
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%Local = alloca i32, align 4
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store i32 42, i32* %Local, align 4
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store i32 42, i32* @Global, align 4
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store i32 21, i32* %Local, align 4
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store i32 21, i32* @Global, align 4
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store i32 0, i32* %Local, align 4
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store i32 0, i32* @Global, align 4
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store float 0.000000e+00, float* bitcast (i32* @Global to float*), align 4
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%LocalKeep = add i32 %k, 21
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store i32 %LocalKeep, i32* @GlobalKeep, align 4
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ret void
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}
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define void @func_caller() {
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entry:
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call void @func(i32 21)
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ret void
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}
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; Make sure to skip functions with non-direct call users
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declare void @e(i8*)
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; INTERESTING-LABEL: define void @g() {
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define void @g() {
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call void @e(i8* bitcast (void (i8**)* @f to i8*))
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ret void
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}
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; INTERESTING-LABEL: define void @f(i8** %a) {
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define void @f(i8** %a) {
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%1 = load i8*, i8** %a
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%2 = bitcast i8* %1 to i32*
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ret void
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}
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