llvm-project/llvm/test/Transforms/IPConstantProp/comdat-ipo.ll

29 lines
518 B
LLVM

; RUN: opt < %s -ipconstprop -S | FileCheck %s
; See PR26774
define i32 @baz() {
ret i32 10
}
; We can const-prop @baz's return value *into* @foo, but cannot
; constprop @foo's return value into bar.
define linkonce_odr i32 @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT: %val = call i32 @baz()
; CHECK-NEXT: ret i32 10
%val = call i32 @baz()
ret i32 %val
}
define i32 @bar() {
; CHECK-LABEL: @bar(
; CHECK-NEXT: %val = call i32 @foo()
; CHECK-NEXT: ret i32 %val
%val = call i32 @foo()
ret i32 %val
}