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llvm-reduce: Increase operands-to-args test coverage #133853

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Merged
arsenm merged 1 commit into from
Apr 2, 2025
Merged

llvm-reduce: Increase operands-to-args test coverage #133853

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63 changes: 55 additions & 8 deletions llvm/test/tools/llvm-reduce/operands-to-args.ll
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
; RUN: llvm-reduce %s -o %t --abort-on-invalid-reduction --delta-passes=operands-to-args --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
; RUN: llvm-reduce %s -o %t --abort-on-invalid-reduction --delta-passes=operands-to-args --test FileCheck --test-arg %s --test-arg --check-prefix=INTERESTING --test-arg --input-file
; RUN: FileCheck %s --input-file %t --check-prefix=REDUCED

; INTERESTING-LABEL: define void @func(
; REDUCED-LABEL: define void @func(i32 %k, ptr %Local, ptr %Global) {

; Keep one reference to the original value.
Expand All @@ -19,9 +20,6 @@
; INTERESTING: %[[KEEP:LocalKeep[0-9]*]] = add i32 %k, 21
; INTERESTING: store i32 %[[KEEP]], ptr @GlobalKeep, align 4

; INTERESTING-LABEL: define void @func_caller() {
; REDUCED: call void @func(i32 21, ptr null, ptr null)


@Global = global i32 42
@GlobalKeep = global i32 42
Expand All @@ -47,7 +45,9 @@ entry:
ret void
}


; INTERESTING-LABEL: define void @func_caller(
; REDUCED-LABEL: define void @func_caller() {
; REDUCED: call void @func(i32 21, ptr null, ptr null)
define void @func_caller() {
entry:
call void @func(i32 21)
Expand All @@ -58,14 +58,61 @@ entry:
; Make sure to skip functions with non-direct call users
declare void @e(ptr)

; INTERESTING-LABEL: define void @g() {
; INTERESTING-LABEL: define void @g(
; REDUCED-LABEL: define void @g(ptr %f) {
; REDUCED: call void @e(ptr %f)
define void @g() {
call void @e(ptr @f)
ret void
}

; INTERESTING-LABEL: define void @f(ptr %a) {
; INTERESTING-LABEL: define void @f(
; REDUCED-LABEL: define void @f(ptr %a) {
; REDUCED: %1 = load ptr, ptr %a, align 8
define void @f(ptr %a) {
%1 = load ptr, ptr %a
ret void
}

@gv_init_use = global [1 x ptr] [ptr @has_global_init_user]

; INTERESTING-LABEL: define void @has_global_init_user(
; REDUCED-LABEL: define void @has_global_init_user() {
define void @has_global_init_user() {
%Local = alloca i32, align 4
store i32 42, ptr %Local, align 4
ret void
}

; INTERESTING-LABEL: define void @has_callee_and_arg_user(
; REDUCED-LABEL: define void @has_callee_and_arg_user(ptr %orig.arg) {
define void @has_callee_and_arg_user(ptr %orig.arg) {
%Local = alloca i32, align 4
store i32 42, ptr %Local, align 4
ret void
}

declare void @ptr_user(ptr)

; INTERESTING-LABEL: define void @calls_and_passes_func(
; REDUCED-LABEL: define void @calls_and_passes_func(ptr %has_callee_and_arg_user) {
; REDUCED: call void @has_callee_and_arg_user(ptr %has_callee_and_arg_user)
define void @calls_and_passes_func() {
call void @has_callee_and_arg_user(ptr @has_callee_and_arg_user)
ret void
}

; INTERESTING-LABEL: define void @has_wrong_callsite_type_user(
; REDUCED-LABEL: define void @has_wrong_callsite_type_user(i32 %extra.arg, ptr %Local) {
define void @has_wrong_callsite_type_user(i32 %extra.arg) {
%Local = alloca i32, align 4
store i32 42, ptr %Local, align 4
ret void
}

; INTERESTING-LABEL: define void @calls_wrong_func_type(
; REDUCED: call void @has_wrong_callsite_type_user()
define void @calls_wrong_func_type() {
call void @has_wrong_callsite_type_user()
ret void
}