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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
; Don't constant-propagate byval pointers, since they are not pointers!
; PR5038
%struct.MYstr = type { i8, i32 }
@mystr = internal global %struct.MYstr zeroinitializer ; <ptr> [#uses=3]
define internal void @vfu1(ptr byval(%struct.MYstr) align 4 %u) nounwind {
; CHECK-LABEL: @vfu1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr [[STRUCT_MYSTR:%.*]], ptr [[U:%.*]], i32 0, i32 1
; CHECK-NEXT: store i32 99, ptr [[TMP0]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_MYSTR]], ptr [[U]], i32 0, i32 0
; CHECK-NEXT: store i8 97, ptr [[TMP1]], align 4
; CHECK-NEXT: br label [[RETURN:%.*]]
; CHECK: return:
; CHECK-NEXT: ret void
;
entry:
%0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]
store i32 99, ptr %0, align 4
%1 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]
store i8 97, ptr %1, align 4
br label %return
return: ; preds = %entry
ret void
}
define internal i32 @vfu2(ptr byval(%struct.MYstr) align 4 %u) nounwind readonly {
; CHECK-LABEL: @vfu2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr getelementptr inbounds ([[STRUCT_MYSTR:%.*]], ptr @mystr, i64 0, i32 1), align 4
; CHECK-NEXT: [[TMP1:%.*]] = load i8, ptr @mystr, align 1
; CHECK-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP2]], [[TMP0]]
; CHECK-NEXT: ret i32 [[TMP3]]
;
entry:
%0 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 1 ; <ptr> [#uses=1]
%1 = load i32, ptr %0
%2 = getelementptr %struct.MYstr, ptr %u, i32 0, i32 0 ; <ptr> [#uses=1]
%3 = load i8, ptr %2
%4 = zext i8 %3 to i32
%5 = add i32 %4, %1
ret i32 %5
}
define i32 @unions() nounwind {
; CHECK-LABEL: @unions(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @vfu1(ptr byval([[STRUCT_MYSTR:%.*]]) align 4 @mystr) #[[ATTR0:[0-9]+]]
; CHECK-NEXT: [[RESULT:%.*]] = call i32 @vfu2(ptr byval([[STRUCT_MYSTR]]) align 4 @mystr) #[[ATTR0]]
; CHECK-NEXT: ret i32 [[RESULT]]
;
entry:
call void @vfu1(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
%result = call i32 @vfu2(ptr byval(%struct.MYstr) align 4 @mystr) nounwind
ret i32 %result
}
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