forked from OSchip/llvm-project
60 lines
2.3 KiB
LLVM
60 lines
2.3 KiB
LLVM
; RUN: llvm-reduce %s -o %t --delta-passes=operands-skip --test FileCheck --test-arg %s --test-arg --match-full-lines --test-arg --check-prefix=INTERESTING --test-arg --input-file
|
|
; RUN: FileCheck %s --input-file %t --check-prefixes=REDUCED
|
|
|
|
; INTERESTING: store i32 43, ptr {{(%imm|%indirect)}}, align 4
|
|
; REDUCED: store i32 43, ptr %imm, align 4
|
|
|
|
; INTERESTING: store i32 44, ptr {{(%imm|%indirect|%phi)}}, align 4
|
|
; REDUCED: store i32 44, ptr %phi, align 4
|
|
|
|
; INTERESTING: store i32 45, ptr {{(%imm|%indirect|%phi|%val)}}, align 4
|
|
; REDUCED: store i32 45, ptr %val, align 4
|
|
|
|
; INTERESTING: store i32 46, ptr {{(%imm|%indirect|%phi|%val|@Global)}}, align 4
|
|
; REDUCED: store i32 46, ptr @Global, align 4
|
|
|
|
; INTERESTING: store i32 47, ptr {{(%imm|%indirect|%phi|%val|@Global|%arg2)}}, align 4
|
|
; REDUCED: store i32 47, ptr %arg2, align 4
|
|
|
|
; INTERESTING: store i32 48, ptr {{(%imm|%indirect|%phi|%val|@Global|%arg2|%arg1)}}, align 4
|
|
; REDUCED: store i32 48, ptr %arg1, align 4
|
|
|
|
; INTERESTING: store i32 49, ptr {{(%imm|%indirect|%phi|%val|@Global|%arg2|%arg1|null)}}, align 4
|
|
; REDUCED: store i32 49, ptr null, align 4
|
|
|
|
; REDUCED: store i32 50, ptr %arg1, align 4
|
|
; REDUCED: store i32 51, ptr %arg1, align 4
|
|
|
|
@Global = global i32 42
|
|
|
|
define void @func(ptr %arg1, ptr %arg2) {
|
|
entry:
|
|
%val = getelementptr i32, ptr getelementptr (i32, ptr @Global, i32 1), i32 2
|
|
br i1 undef, label %branch, label %loop
|
|
|
|
branch:
|
|
%nondominating1 = getelementptr i32, ptr %val, i32 3
|
|
br label %loop
|
|
|
|
loop:
|
|
%phi = phi ptr [ null, %entry ], [ %nondominating1, %branch ], [ %nondominating2, %loop ]
|
|
%imm = getelementptr i32, ptr %phi, i32 4
|
|
%indirect = getelementptr i32, ptr %imm, i32 5
|
|
|
|
store i32 43, ptr %imm, align 4 ; Don't reduce to %indirect (not "more reduced" than %imm)
|
|
store i32 44, ptr %imm, align 4 ; Reduce to %phi
|
|
store i32 45, ptr %imm, align 4 ; Reduce to %val
|
|
store i32 46, ptr %imm, align 4 ; Reduce to @Global
|
|
store i32 47, ptr %imm, align 4 ; Reduce to %arg1
|
|
store i32 48, ptr %imm, align 4 ; Reduce to %arg2
|
|
store i32 49, ptr %imm, align 4 ; Reduce to null
|
|
|
|
%nondominating2 = getelementptr i32, ptr %indirect, i32 6
|
|
br i1 undef, label %loop, label %exit
|
|
|
|
exit:
|
|
store i32 50, ptr %arg2, align 4 ; Reduce to %arg1 (compactify function arguments)
|
|
store i32 51, ptr %arg1, align 4 ; Don't reduce
|
|
ret void
|
|
}
|