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TheRock/compiler/amd-llvm/llvm/test/Transforms/ArgumentPromotion/inalloca.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

64 lines
2.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt %s -passes='module(globalopt),cgscc(argpromotion),function(sroa)' -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
%struct.ss = type { i32, i32 }
; Argpromote + sroa should change this to passing the two integers by value.
define internal i32 @f(ptr inalloca(%struct.ss) %s) {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (i32 [[S_0_VAL:%.*]], i32 [[S_4_VAL:%.*]]) unnamed_addr {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R:%.*]] = add i32 [[S_0_VAL]], [[S_4_VAL]]
; CHECK-NEXT: ret i32 [[R]]
;
entry:
%f1 = getelementptr %struct.ss, ptr %s, i32 0, i32 1
%a = load i32, ptr %s, align 4
%b = load i32, ptr %f1, align 4
%r = add i32 %a, %b
ret i32 %r
}
define i32 @main() {
; CHECK-LABEL: define {{[^@]+}}@main() local_unnamed_addr {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R:%.*]] = call fastcc i32 @f(i32 1, i32 2)
; CHECK-NEXT: ret i32 [[R]]
;
entry:
%S = alloca inalloca %struct.ss
%f1 = getelementptr %struct.ss, ptr %S, i32 0, i32 1
store i32 1, ptr %S, align 4
store i32 2, ptr %f1, align 4
%r = call i32 @f(ptr inalloca(%struct.ss) %S)
ret i32 %r
}
; Argpromote can't promote %a because of the icmp use.
define internal i1 @g(ptr %a, ptr inalloca(%struct.ss) %b) nounwind {
; CHECK-LABEL: define {{[^@]+}}@g
; CHECK-SAME: (ptr [[A:%.*]], ptr [[B:%.*]]) unnamed_addr #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = icmp eq ptr [[A]], [[B]]
; CHECK-NEXT: ret i1 [[C]]
;
entry:
%c = icmp eq ptr %a, %b
ret i1 %c
}
define i32 @test() {
; CHECK-LABEL: define {{[^@]+}}@test() local_unnamed_addr {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca inalloca [[STRUCT_SS:%.*]], align 4
; CHECK-NEXT: [[C:%.*]] = call fastcc i1 @g(ptr [[S]], ptr [[S]])
; CHECK-NEXT: ret i32 0
;
entry:
%S = alloca inalloca %struct.ss
%c = call i1 @g(ptr %S, ptr inalloca(%struct.ss) %S)
ret i32 0
}