118 lines
2.3 KiB
LLVM
118 lines
2.3 KiB
LLVM
; RUN: opt < %s -inline -sroa -S | FileCheck %s
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; RUN: opt < %s -passes='cgscc(inline,function(sroa))' -S | FileCheck %s
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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define i32 @test1f(i32 %i) {
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ret i32 %i
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}
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define i32 @test1(i32 %W) {
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%X = call i32 @test1f(i32 7)
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%Y = add i32 %X, %W
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ret i32 %Y
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: %Y = add i32 7, %W
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; CHECK-NEXT: ret i32 %Y
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}
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; rdar://7339069
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%T = type { i32, i32 }
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; CHECK-NOT: @test2f(
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define internal %T* @test2f(i1 %cond, %T* %P) {
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br i1 %cond, label %T, label %F
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T:
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%A = getelementptr %T, %T* %P, i32 0, i32 0
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store i32 42, i32* %A
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ret %T* %P
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F:
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ret %T* %P
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}
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define i32 @test2(i1 %cond) {
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%A = alloca %T
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%B = call %T* @test2f(i1 %cond, %T* %A)
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%C = getelementptr %T, %T* %B, i32 0, i32 0
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%D = load i32, i32* %C
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ret i32 %D
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; CHECK-LABEL: @test2(
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; CHECK-NOT: = alloca
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; CHECK: ret i32
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}
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declare void @barrier() noduplicate
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define internal i32 @f() {
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call void @barrier() noduplicate
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ret i32 1
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}
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define i32 @g() {
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call void @barrier() noduplicate
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ret i32 2
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}
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define internal i32 @h() {
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call void @barrier() noduplicate
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ret i32 3
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}
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define i32 @test3() {
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%b = call i32 @f()
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ret i32 %b
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}
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; The call to @f cannot be inlined as there is another callsite
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; calling @f, and @f contains a noduplicate call.
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;
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; The call to @g cannot be inlined as it has external linkage.
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;
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; The call to @h *can* be inlined.
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; CHECK-LABEL: @test(
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define i32 @test() {
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; CHECK: call i32 @f()
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%a = call i32 @f()
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; CHECK: call i32 @g()
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%b = call i32 @g()
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; CHECK-NOT: call i32 @h()
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%c = call i32 @h()
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%d = add i32 %a, %b
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%e = add i32 %d, %c
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ret i32 %e
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; CHECK: }
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}
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; Inliner shouldn't delete calls it can't inline, even if they're trivially dead
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; CHECK-LABEL: @outer4(
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define void @outer4(void ()* %inner4) {
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entry:
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; CHECK: call void %inner4()
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call void %inner4() nounwind readnone
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ret void
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}
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declare void @inner5_inner()
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define void @inner5(void ()* %x) {
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call void %x() nounwind readnone
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ret void
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}
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; Inliner shouldn't delete calls it can't inline, even if they're trivially dead and temporarily indirect
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; CHECK-LABEL: @outer5(
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define void @outer5() {
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; CHECK: call void @inner5_inner(
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call void @inner5(void ()* @inner5_inner)
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ret void
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}
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