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