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