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TheRock/compiler/amd-llvm/llvm/test/tools/llvm-reduce/operands-skip.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

60 lines
2.6 KiB
LLVM

; RUN: llvm-reduce %s -o %t --abort-on-invalid-reduction --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
; RUN: llvm-reduce -j 2 %s -o %t.1 --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.1 --check-prefixes=REDUCED
; RUN: llvm-reduce -j 4 %s -o %t.2 --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.2 --check-prefixes=REDUCED
; 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, i1 %arg) {
entry:
%val = getelementptr i32, ptr getelementptr (i32, ptr @Global, i32 1), i32 2
br i1 %arg, 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 %arg, 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
}