forked from OSchip/llvm-project
382 lines
12 KiB
LLVM
382 lines
12 KiB
LLVM
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; RUN: llc -verify-machineinstrs < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-APPLE %s
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; RUN: llc -verify-machineinstrs -O0 < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-O0 %s
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declare i8* @malloc(i64)
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declare void @free(i8*)
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%swift_error = type { i64, i8 }
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%struct.S = type { i32, i32, i32, i32, i32, i32 }
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; This tests the basic usage of a swifterror parameter. "foo" is the function
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; that takes a swifterror parameter and "caller" is the caller of "foo".
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define float @foo(%swift_error** swifterror %error_ptr_ref) {
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; CHECK-APPLE-LABEL: foo:
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; CHECK-APPLE: mov r0, #16
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; CHECK-APPLE: malloc
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; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], #1
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; CHECK-APPLE-DAG: mov r6, r{{.*}}
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; CHECK-APPLE-DAG: strb [[ID]], [r{{.*}}, #8]
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; CHECK-O0-LABEL: foo:
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; CHECK-O0: mov r{{.*}}, #16
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; CHECK-O0: malloc
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; CHECK-O0: mov [[ID2:r[0-9]+]], r0
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; CHECK-O0: mov [[ID:r[0-9]+]], #1
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; CHECK-O0: strb [[ID]], [r0, #8]
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; CHECK-O0: mov r6, [[ID2]]
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entry:
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%call = call i8* @malloc(i64 16)
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%call.0 = bitcast i8* %call to %swift_error*
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store %swift_error* %call.0, %swift_error** %error_ptr_ref
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%tmp = getelementptr inbounds i8, i8* %call, i64 8
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store i8 1, i8* %tmp
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ret float 1.0
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}
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; "caller" calls "foo" that takes a swifterror parameter.
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define float @caller(i8* %error_ref) {
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; CHECK-APPLE-LABEL: caller:
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; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], r0
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; CHECK-APPLE-DAG: mov r6, #0
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; CHECK-APPLE: bl {{.*}}foo
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; CHECK-APPLE: cmp r6, #0
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; Access part of the error object and save it to error_ref
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; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r6, #8]
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; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: mov r0, r6
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; CHECK_APPLE: bl {{.*}}free
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; CHECK-O0-LABEL: caller:
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; spill r0
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; CHECK-O0-DAG: str r0,
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; CHECK-O0-DAG: mov r6, #0
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; CHECK-O0: bl {{.*}}foo
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; CHECK-O0: mov r{{.*}}, r6
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; CHECK-O0: bne
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; CHECK-O0: ldrb [[CODE:r[0-9]+]], [r0, #8]
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; reload r0
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; CHECK-O0: ldr [[ID:r[0-9]+]],
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; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]]
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; CHECK-O0: mov r0,
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; CHECK-O0: free
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entry:
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%error_ptr_ref = alloca swifterror %swift_error*
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store %swift_error* null, %swift_error** %error_ptr_ref
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%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
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%error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
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%had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
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%tmp = bitcast %swift_error* %error_from_foo to i8*
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br i1 %had_error_from_foo, label %handler, label %cont
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cont:
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%v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
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%t = load i8, i8* %v1
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store i8 %t, i8* %error_ref
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br label %handler
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handler:
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call void @free(i8* %tmp)
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ret float 1.0
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}
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; "caller2" is the caller of "foo", it calls "foo" inside a loop.
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define float @caller2(i8* %error_ref) {
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; CHECK-APPLE-LABEL: caller2:
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; CHECK-APPLE-DAG: mov [[ID:r[0-9]+]], r0
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; CHECK-APPLE-DAG: mov r6, #0
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; CHECK-APPLE: bl {{.*}}foo
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; CHECK-APPLE: cmp r6, #0
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; CHECK-APPLE: bne
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; Access part of the error object and save it to error_ref
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; CHECK-APPLE: ldrb [[CODE:r[0-9]+]], [r6, #8]
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; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: mov r0, r6
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; CHECK_APPLE: bl {{.*}}free
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; CHECK-O0-LABEL: caller2:
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; spill r0
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; CHECK-O0-DAG: str r0,
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; CHECK-O0-DAG: mov r6, #0
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; CHECK-O0: bl {{.*}}foo
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; CHECK-O0: mov r{{.*}}, r6
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; CHECK-O0: bne
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; CHECK-O0: ble
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; CHECK-O0: ldrb [[CODE:r[0-9]+]], [r0, #8]
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; reload r0
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; CHECK-O0: ldr [[ID:r[0-9]+]],
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; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]]
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; CHECK-O0: mov r0,
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; CHECK-O0: free
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entry:
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%error_ptr_ref = alloca swifterror %swift_error*
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br label %bb_loop
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bb_loop:
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store %swift_error* null, %swift_error** %error_ptr_ref
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%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
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%error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
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%had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
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%tmp = bitcast %swift_error* %error_from_foo to i8*
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br i1 %had_error_from_foo, label %handler, label %cont
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cont:
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%cmp = fcmp ogt float %call, 1.000000e+00
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br i1 %cmp, label %bb_end, label %bb_loop
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bb_end:
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%v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
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%t = load i8, i8* %v1
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store i8 %t, i8* %error_ref
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br label %handler
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handler:
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call void @free(i8* %tmp)
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ret float 1.0
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}
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; "foo_if" is a function that takes a swifterror parameter, it sets swifterror
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; under a certain condition.
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define float @foo_if(%swift_error** swifterror %error_ptr_ref, i32 %cc) {
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; CHECK-APPLE-LABEL: foo_if:
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; CHECK-APPLE: cmp r0, #0
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; CHECK-APPLE: eq
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; CHECK-APPLE: mov r0, #16
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; CHECK-APPLE: malloc
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; CHECK-APPLE: mov [[ID:r[0-9]+]], #1
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; CHECK-APPLE-DAG: mov r6, r{{.*}}
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; CHECK-APPLE-DAG: strb [[ID]], [r{{.*}}, #8]
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; CHECK-O0-LABEL: foo_if:
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; CHECK-O0: cmp r0, #0
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; spill to stack
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; CHECK-O0: str r6
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; CHECK-O0: beq
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; CHECK-O0: mov r0, #16
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; CHECK-O0: malloc
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; CHECK-O0: mov [[ID:r[0-9]+]], r0
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; CHECK-O0: mov [[ID2:[a-z0-9]+]], #1
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; CHECK-O0: strb [[ID2]], [r0, #8]
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; CHECK-O0: mov r6, [[ID]]
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; reload from stack
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; CHECK-O0: ldr r6
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entry:
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%cond = icmp ne i32 %cc, 0
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br i1 %cond, label %gen_error, label %normal
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gen_error:
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%call = call i8* @malloc(i64 16)
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%call.0 = bitcast i8* %call to %swift_error*
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store %swift_error* %call.0, %swift_error** %error_ptr_ref
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%tmp = getelementptr inbounds i8, i8* %call, i64 8
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store i8 1, i8* %tmp
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ret float 1.0
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normal:
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ret float 0.0
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}
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; "foo_loop" is a function that takes a swifterror parameter, it sets swifterror
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; under a certain condition inside a loop.
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define float @foo_loop(%swift_error** swifterror %error_ptr_ref, i32 %cc, float %cc2) {
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; CHECK-APPLE-LABEL: foo_loop:
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; CHECK-APPLE: mov [[CODE:r[0-9]+]], r0
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; swifterror is kept in a register
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; CHECK-APPLE: mov [[ID:r[0-9]+]], r6
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; CHECK-APPLE: cmp [[CODE]], #0
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; CHECK-APPLE: beq
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; CHECK-APPLE: mov r0, #16
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; CHECK-APPLE: malloc
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; CHECK-APPLE: strb r{{.*}}, [{{.*}}[[ID]], #8]
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; CHECK-APPLE: ble
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; CHECK-APPLE: mov r6, [[ID]]
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; CHECK-O0-LABEL: foo_loop:
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; CHECK-O0: mov r{{.*}}, r6
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; CHECK-O0: cmp r{{.*}}, #0
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; CHECK-O0: beq
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; CHECK-O0-DAG: movw r{{.*}}, #1
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; CHECK-O0-DAG: mov r{{.*}}, #16
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; CHECK-O0: malloc
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; CHECK-O0-DAG: mov [[ID:r[0-9]+]], r0
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; CHECK-O0-DAG: ldr [[ID2:r[0-9]+]], [sp{{.*}}]
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; CHECK-O0: strb [[ID2]], [{{.*}}[[ID]], #8]
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; spill r0
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; CHECK-O0: str r0, [sp{{.*}}]
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; CHECK-O0: vcmpe
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; CHECK-O0: ble
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; reload from stack
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; CHECK-O0: ldr r6
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entry:
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br label %bb_loop
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bb_loop:
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%cond = icmp ne i32 %cc, 0
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br i1 %cond, label %gen_error, label %bb_cont
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gen_error:
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%call = call i8* @malloc(i64 16)
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%call.0 = bitcast i8* %call to %swift_error*
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store %swift_error* %call.0, %swift_error** %error_ptr_ref
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%tmp = getelementptr inbounds i8, i8* %call, i64 8
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store i8 1, i8* %tmp
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br label %bb_cont
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bb_cont:
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%cmp = fcmp ogt float %cc2, 1.000000e+00
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br i1 %cmp, label %bb_end, label %bb_loop
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bb_end:
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ret float 0.0
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}
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; "foo_sret" is a function that takes a swifterror parameter, it also has a sret
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; parameter.
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define void @foo_sret(%struct.S* sret %agg.result, i32 %val1, %swift_error** swifterror %error_ptr_ref) {
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; CHECK-APPLE-LABEL: foo_sret:
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; CHECK-APPLE: mov [[SRET:r[0-9]+]], r0
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; CHECK-APPLE: mov r0, #16
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; CHECK-APPLE: malloc
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; CHECK-APPLE: mov [[REG:r[0-9]+]], #1
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; CHECK-APPLE-DAG: mov r6, r0
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; CHECK-APPLE-DAG: strb [[REG]], [r0, #8]
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; CHECK-APPLE-DAG: str r{{.*}}, [{{.*}}[[SRET]], #4]
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; CHECK-O0-LABEL: foo_sret:
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; CHECK-O0: mov r{{.*}}, #16
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; spill to stack: sret and val1
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; CHECK-O0-DAG: str r0
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; CHECK-O0-DAG: str r1
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; CHECK-O0: malloc
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; CHECK-O0: mov [[ID:r[0-9]+]], #1
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; CHECK-O0: strb [[ID]], [r0, #8]
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; reload from stack: sret and val1
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; CHECK-O0: ldr
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; CHECK-O0: ldr
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; CHECK-O0: str r{{.*}}, [{{.*}}, #4]
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; CHECK-O0: mov r6
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entry:
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%call = call i8* @malloc(i64 16)
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%call.0 = bitcast i8* %call to %swift_error*
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store %swift_error* %call.0, %swift_error** %error_ptr_ref
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%tmp = getelementptr inbounds i8, i8* %call, i64 8
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store i8 1, i8* %tmp
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%v2 = getelementptr inbounds %struct.S, %struct.S* %agg.result, i32 0, i32 1
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store i32 %val1, i32* %v2
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ret void
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}
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; "caller3" calls "foo_sret" that takes a swifterror parameter.
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define float @caller3(i8* %error_ref) {
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; CHECK-APPLE-LABEL: caller3:
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; CHECK-APPLE: mov [[ID:r[0-9]+]], r0
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; CHECK-APPLE: mov r6, #0
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; CHECK-APPLE: bl {{.*}}foo_sret
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; CHECK-APPLE: cmp r6, #0
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; Access part of the error object and save it to error_ref
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; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r6, #8]
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; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: mov r0, r6
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; CHECK_APPLE: bl {{.*}}free
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; CHECK-O0-LABEL: caller3:
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; CHECK-O0-DAG: mov r6, #0
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; CHECK-O0-DAG: mov r0
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; CHECK-O0-DAG: mov r1
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; CHECK-O0: bl {{.*}}foo_sret
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; CHECK-O0: mov [[ID2:r[0-9]+]], r6
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; CHECK-O0: cmp [[ID2]]
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; CHECK-O0: bne
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; Access part of the error object and save it to error_ref
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; CHECK-O0: ldrb [[CODE:r[0-9]+]]
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; CHECK-O0: ldr [[ID:r[0-9]+]]
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; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]]
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; CHECK-O0: mov r0,
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; CHECK_O0: bl {{.*}}free
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entry:
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%s = alloca %struct.S, align 8
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%error_ptr_ref = alloca swifterror %swift_error*
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store %swift_error* null, %swift_error** %error_ptr_ref
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call void @foo_sret(%struct.S* sret %s, i32 1, %swift_error** swifterror %error_ptr_ref)
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%error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
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%had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
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%tmp = bitcast %swift_error* %error_from_foo to i8*
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br i1 %had_error_from_foo, label %handler, label %cont
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cont:
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%v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
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%t = load i8, i8* %v1
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store i8 %t, i8* %error_ref
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br label %handler
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handler:
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call void @free(i8* %tmp)
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ret float 1.0
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}
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; "foo_vararg" is a function that takes a swifterror parameter, it also has
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|
|
; variable number of arguments.
|
||
|
|
declare void @llvm.va_start(i8*) nounwind
|
||
|
|
define float @foo_vararg(%swift_error** swifterror %error_ptr_ref, ...) {
|
||
|
|
; CHECK-APPLE-LABEL: foo_vararg:
|
||
|
|
; CHECK-APPLE: mov r0, #16
|
||
|
|
; CHECK-APPLE: malloc
|
||
|
|
; CHECK-APPLE: mov [[REG:r[0-9]+]], r0
|
||
|
|
; CHECK-APPLE: mov [[ID:r[0-9]+]], #1
|
||
|
|
; CHECK-APPLE-DAG: strb [[ID]], [{{.*}}[[REG]], #8]
|
||
|
|
; CHECK-APPLE-DAG: mov r6, [[REG]]
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%call = call i8* @malloc(i64 16)
|
||
|
|
%call.0 = bitcast i8* %call to %swift_error*
|
||
|
|
store %swift_error* %call.0, %swift_error** %error_ptr_ref
|
||
|
|
%tmp = getelementptr inbounds i8, i8* %call, i64 8
|
||
|
|
store i8 1, i8* %tmp
|
||
|
|
|
||
|
|
%args = alloca i8*, align 8
|
||
|
|
%a10 = alloca i32, align 4
|
||
|
|
%a11 = alloca i32, align 4
|
||
|
|
%a12 = alloca i32, align 4
|
||
|
|
%v10 = bitcast i8** %args to i8*
|
||
|
|
call void @llvm.va_start(i8* %v10)
|
||
|
|
%v11 = va_arg i8** %args, i32
|
||
|
|
store i32 %v11, i32* %a10, align 4
|
||
|
|
%v12 = va_arg i8** %args, i32
|
||
|
|
store i32 %v12, i32* %a11, align 4
|
||
|
|
%v13 = va_arg i8** %args, i32
|
||
|
|
store i32 %v13, i32* %a12, align 4
|
||
|
|
|
||
|
|
ret float 1.0
|
||
|
|
}
|
||
|
|
|
||
|
|
; "caller4" calls "foo_vararg" that takes a swifterror parameter.
|
||
|
|
define float @caller4(i8* %error_ref) {
|
||
|
|
; CHECK-APPLE-LABEL: caller4:
|
||
|
|
; CHECK-APPLE: mov [[ID:r[0-9]+]], r0
|
||
|
|
; CHECK-APPLE: mov r6, #0
|
||
|
|
; CHECK-APPLE: bl {{.*}}foo_vararg
|
||
|
|
; CHECK-APPLE: cmp r6, #0
|
||
|
|
; Access part of the error object and save it to error_ref
|
||
|
|
; CHECK-APPLE: ldrbeq [[CODE:r[0-9]+]], [r6, #8]
|
||
|
|
; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
|
||
|
|
; CHECK-APPLE: mov r0, r6
|
||
|
|
; CHECK_APPLE: bl {{.*}}free
|
||
|
|
entry:
|
||
|
|
%error_ptr_ref = alloca swifterror %swift_error*
|
||
|
|
store %swift_error* null, %swift_error** %error_ptr_ref
|
||
|
|
|
||
|
|
%a10 = alloca i32, align 4
|
||
|
|
%a11 = alloca i32, align 4
|
||
|
|
%a12 = alloca i32, align 4
|
||
|
|
store i32 10, i32* %a10, align 4
|
||
|
|
store i32 11, i32* %a11, align 4
|
||
|
|
store i32 12, i32* %a12, align 4
|
||
|
|
%v10 = load i32, i32* %a10, align 4
|
||
|
|
%v11 = load i32, i32* %a11, align 4
|
||
|
|
%v12 = load i32, i32* %a12, align 4
|
||
|
|
|
||
|
|
%call = call float (%swift_error**, ...) @foo_vararg(%swift_error** swifterror %error_ptr_ref, i32 %v10, i32 %v11, i32 %v12)
|
||
|
|
%error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
|
||
|
|
%had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
|
||
|
|
%tmp = bitcast %swift_error* %error_from_foo to i8*
|
||
|
|
br i1 %had_error_from_foo, label %handler, label %cont
|
||
|
|
|
||
|
|
cont:
|
||
|
|
%v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
|
||
|
|
%t = load i8, i8* %v1
|
||
|
|
store i8 %t, i8* %error_ref
|
||
|
|
br label %handler
|
||
|
|
handler:
|
||
|
|
call void @free(i8* %tmp)
|
||
|
|
ret float 1.0
|
||
|
|
}
|