forked from OSchip/llvm-project
608 lines
20 KiB
LLVM
608 lines
20 KiB
LLVM
; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-APPLE --check-prefix=CHECK-ARMV7 %s
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; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs -O0 < %s -mtriple=armv7-apple-ios | FileCheck --check-prefix=CHECK-O0 %s
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; RUN: llc -fast-isel-sink-local-values -verify-machineinstrs < %s -mtriple=armv7-linux-androideabi | FileCheck --check-prefix=CHECK-ANDROID %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 r8, 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 r8, [[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 r8, #0
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; CHECK-APPLE: bl {{.*}}foo
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; CHECK-APPLE: mov r0, r8
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; CHECK-APPLE: cmp r8, #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]+]], [r0, #8]
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; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
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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: mov r8, #0
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; CHECK-O0-DAG: str r0, [sp, [[SLOT:#[0-9]+]]
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; CHECK-O0: bl {{.*}}foo
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; CHECK-O0: mov [[TMP:r[0-9]+]], r8
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; CHECK-O0: str [[TMP]], [sp]
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; CHECK-O0: bne
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; CHECK-O0: ldrb [[CODE:r[0-9]+]], [r0, #8]
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; CHECK-O0: ldr [[ID:r[0-9]+]], [sp, [[SLOT]]]
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; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]]
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; reload r0
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; CHECK-O0: ldr r0, [sp]
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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 r8, #0
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; CHECK-APPLE: bl {{.*}}foo
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; CHECK-APPLE: cmp r8, #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]+]], [r8, #8]
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; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: mov r0, r8
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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 r8, #0
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; CHECK-O0: bl {{.*}}foo
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; CHECK-O0: mov r{{.*}}, r8
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; CHECK-O0: str r0, [sp]
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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: ldr r0, [sp]
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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-DAG: mov [[ID:r[0-9]+]], #1
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; CHECK-APPLE-DAG: mov r8, 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 r8
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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 r8, [[ID]]
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; reload from stack
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; CHECK-O0: ldr r8
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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: 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{{.*}}, [r0, #8]
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; CHECK-APPLE: b
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; CHECK-O0-LABEL: foo_loop:
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; CHECK-O0: cmp r{{.*}}, #0
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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-DAG: mov [[ID:r[0-9]+]], r0
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; CHECK-O0-DAG: movw [[ID2:.*]], #1
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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 r8
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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 r8, 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 r8
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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 r8, #0
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; CHECK-APPLE: bl {{.*}}foo_sret
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; CHECK-APPLE: mov r0, r8
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; CHECK-APPLE: cmp r8, #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]+]], [r0, #8]
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; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: bl {{.*}}free
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; CHECK-O0-LABEL: caller3:
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; CHECK-O0-DAG: mov r8, #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]+]], r8
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; CHECK-O0: cmp r8
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; CHECK-O0: str [[ID2]], [sp[[SLOT:.*]]]
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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: ldr r0, [sp[[SLOT]]
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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.
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declare void @llvm.va_start(i8*) nounwind
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define float @foo_vararg(%swift_error** swifterror %error_ptr_ref, ...) {
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; CHECK-APPLE-LABEL: foo_vararg:
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; CHECK-APPLE: mov r0, #16
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; CHECK-APPLE: malloc
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; CHECK-APPLE: mov r8, r0
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; CHECK-APPLE: mov [[ID:r[0-9]+]], #1
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; CHECK-APPLE-DAG: strb [[ID]], [r8, #8]
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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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%args = alloca i8*, align 8
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%a10 = alloca i32, align 4
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%a11 = alloca i32, align 4
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%a12 = alloca i32, align 4
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%v10 = bitcast i8** %args to i8*
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call void @llvm.va_start(i8* %v10)
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%v11 = va_arg i8** %args, i32
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store i32 %v11, i32* %a10, align 4
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%v12 = va_arg i8** %args, i32
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store i32 %v12, i32* %a11, align 4
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%v13 = va_arg i8** %args, i32
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store i32 %v13, i32* %a12, align 4
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ret float 1.0
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}
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; "caller4" calls "foo_vararg" that takes a swifterror parameter.
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define float @caller4(i8* %error_ref) {
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; CHECK-APPLE-LABEL: caller4:
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; CHECK-APPLE: mov [[ID:r[0-9]+]], r0
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; CHECK-APPLE: mov r8, #0
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; CHECK-APPLE: bl {{.*}}foo_vararg
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; CHECK-APPLE: mov r0, r8
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; CHECK-APPLE: cmp r8, #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]+]], [r0, #8]
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; CHECK-APPLE: strbeq [[CODE]], [{{.*}}[[ID]]]
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; CHECK-APPLE: bl {{.*}}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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%a10 = alloca i32, align 4
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%a11 = alloca i32, align 4
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%a12 = alloca i32, align 4
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store i32 10, i32* %a10, align 4
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store i32 11, i32* %a11, align 4
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store i32 12, i32* %a12, align 4
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%v10 = load i32, i32* %a10, align 4
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%v11 = load i32, i32* %a11, align 4
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%v12 = load i32, i32* %a12, align 4
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%call = call float (%swift_error**, ...) @foo_vararg(%swift_error** swifterror %error_ptr_ref, i32 %v10, i32 %v11, i32 %v12)
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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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; Check that we don't blow up on tail calling swifterror argument functions.
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define float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref) {
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entry:
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%0 = tail call float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref)
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ret float %0
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}
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define swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref) {
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entry:
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%0 = tail call swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref)
|
|
ret float %0
|
|
}
|
|
|
|
; CHECK-APPLE-LABEL: swifterror_clobber
|
|
; CHECK-APPLE: mov [[REG:r[0-9]+]], r8
|
|
; CHECK-APPLE: nop
|
|
; CHECK-APPLE: mov r8, [[REG]]
|
|
define swiftcc void @swifterror_clobber(%swift_error** nocapture swifterror %err) {
|
|
call void asm sideeffect "nop", "~{r8}"()
|
|
ret void
|
|
}
|
|
|
|
; CHECK-APPLE-LABEL: swifterror_reg_clobber
|
|
; CHECK-APPLE: push {{.*}}r8
|
|
; CHECK-APPLE: nop
|
|
; CHECK-APPLE: pop {{.*}}r8
|
|
define swiftcc void @swifterror_reg_clobber(%swift_error** nocapture %err) {
|
|
call void asm sideeffect "nop", "~{r8}"()
|
|
ret void
|
|
}
|
|
|
|
; CHECK-ARMV7-LABEL: _params_in_reg
|
|
; Store callee saved registers excluding swifterror.
|
|
; CHECK-ARMV7: push {r4, r5, r6, r7, r10, r11, lr}
|
|
; Store swiftself (r10) and swifterror (r8).
|
|
; CHECK-ARMV7-DAG: str r8, [s[[STK1:.*]]]
|
|
; CHECK-ARMV7-DAG: str r10, [s[[STK2:.*]]]
|
|
; Store arguments.
|
|
; CHECK-ARMV7-DAG: mov r6, r3
|
|
; CHECK-ARMV7-DAG: mov r4, r2
|
|
; CHECK-ARMV7-DAG: mov r11, r1
|
|
; CHECK-ARMV7-DAG: mov r5, r0
|
|
; Setup call.
|
|
; CHECK-ARMV7: mov r0, #1
|
|
; CHECK-ARMV7: mov r1, #2
|
|
; CHECK-ARMV7: mov r2, #3
|
|
; CHECK-ARMV7: mov r3, #4
|
|
; CHECK-ARMV7: mov r10, #0
|
|
; CHECK-ARMV7: mov r8, #0
|
|
; CHECK-ARMV7: bl _params_in_reg2
|
|
; Restore original arguments.
|
|
; CHECK-ARMV7-DAG: ldr r10, [s[[STK2]]]
|
|
; CHECK-ARMV7-DAG: ldr r8, [s[[STK1]]]
|
|
; CHECK-ARMV7-DAG: mov r0, r5
|
|
; CHECK-ARMV7-DAG: mov r1, r11
|
|
; CHECK-ARMV7-DAG: mov r2, r4
|
|
; CHECK-ARMV7-DAG: mov r3, r6
|
|
; CHECK-ARMV7: bl _params_in_reg2
|
|
; CHECK-ARMV7: pop {r4, r5, r6, r7, r10, r11, pc}
|
|
define swiftcc void @params_in_reg(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) {
|
|
%error_ptr_ref = alloca swifterror %swift_error*, align 8
|
|
store %swift_error* null, %swift_error** %error_ptr_ref
|
|
call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
|
|
call swiftcc void @params_in_reg2(i32 %0, i32 %1, i32 %2, i32 %3, i8* swiftself %4, %swift_error** nocapture swifterror %err)
|
|
ret void
|
|
}
|
|
declare swiftcc void @params_in_reg2(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err)
|
|
|
|
; CHECK-ARMV7-LABEL: params_and_return_in_reg
|
|
; CHECK-ARMV7: push {r4, r5, r6, r7, r10, r11, lr}
|
|
; Store swifterror and swiftself
|
|
; CHECK-ARMV7: mov r6, r8
|
|
; CHECK-ARMV7: str r10, [s[[STK1:.*]]]
|
|
; Store arguments.
|
|
; CHECK-ARMV7: str r3, [s[[STK2:.*]]]
|
|
; CHECK-ARMV7: mov r4, r2
|
|
; CHECK-ARMV7: mov r11, r1
|
|
; CHECK-ARMV7: mov r5, r0
|
|
; Setup call.
|
|
; CHECK-ARMV7: mov r0, #1
|
|
; CHECK-ARMV7: mov r1, #2
|
|
; CHECK-ARMV7: mov r2, #3
|
|
; CHECK-ARMV7: mov r3, #4
|
|
; CHECK-ARMV7: mov r10, #0
|
|
; CHECK-ARMV7: mov r8, #0
|
|
; CHECK-ARMV7: bl _params_in_reg2
|
|
; Restore original arguments.
|
|
; CHECK-ARMV7-DAG: ldr r3, [s[[STK2]]]
|
|
; CHECK-ARMV7-DAG: ldr r10, [s[[STK1]]]
|
|
; Store %error_ptr_ref;
|
|
; CHECK-ARMV7-DAG: str r8, [s[[STK3:.*]]]
|
|
; Restore original arguments.
|
|
; CHECK-ARMV7-DAG: mov r0, r5
|
|
; CHECK-ARMV7-DAG: mov r1, r11
|
|
; CHECK-ARMV7-DAG: mov r2, r4
|
|
; CHECK-ARMV7-DAG: mov r8, r6
|
|
; CHECK-ARMV7: bl _params_and_return_in_reg2
|
|
; Store swifterror return %err;
|
|
; CHECK-ARMV7-DAG: str r8, [s[[STK1]]]
|
|
; Load swifterror value %error_ptr_ref.
|
|
; CHECK-ARMV7-DAG: ldr r8, [s[[STK3]]]
|
|
; Save return values.
|
|
; CHECK-ARMV7-DAG: mov r4, r0
|
|
; CHECK-ARMV7-DAG: mov r5, r1
|
|
; CHECK-ARMV7-DAG: mov r6, r2
|
|
; CHECK-ARMV7-DAG: mov r11, r3
|
|
; Setup call.
|
|
; CHECK-ARMV7: mov r0, #1
|
|
; CHECK-ARMV7: mov r1, #2
|
|
; CHECK-ARMV7: mov r2, #3
|
|
; CHECK-ARMV7: mov r3, #4
|
|
; CHECK-ARMV7: mov r10, #0
|
|
; CHECK-ARMV7: bl _params_in_reg2
|
|
; Load swifterror %err;
|
|
; CHECK-ARMV7-DAG: ldr r8, [s[[STK1]]]
|
|
; Restore return values for returning.
|
|
; CHECK-ARMV7-DAG: mov r0, r4
|
|
; CHECK-ARMV7-DAG: mov r1, r5
|
|
; CHECK-ARMV7-DAG: mov r2, r6
|
|
; CHECK-ARMV7-DAG: mov r3, r11
|
|
; CHECK-ARMV7: pop {r4, r5, r6, r7, r10, r11, pc}
|
|
|
|
; CHECK-ANDROID-LABEL: params_and_return_in_reg
|
|
; CHECK-ANDROID: push {r4, r5, r6, r7, r9, r10, r11, lr}
|
|
; CHECK-ANDROID: sub sp, sp, #16
|
|
; CHECK-ANDROID: str r8, [sp, #4] @ 4-byte Spill
|
|
; CHECK-ANDROID: mov r11, r10
|
|
; CHECK-ANDROID: mov r6, r3
|
|
; CHECK-ANDROID: mov r7, r2
|
|
; CHECK-ANDROID: mov r4, r1
|
|
; CHECK-ANDROID: mov r5, r0
|
|
; CHECK-ANDROID: mov r0, #1
|
|
; CHECK-ANDROID: mov r1, #2
|
|
; CHECK-ANDROID: mov r2, #3
|
|
; CHECK-ANDROID: mov r3, #4
|
|
; CHECK-ANDROID: mov r10, #0
|
|
; CHECK-ANDROID: mov r8, #0
|
|
; CHECK-ANDROID: bl params_in_reg2
|
|
; CHECK-ANDROID: mov r9, r8
|
|
; CHECK-ANDROID: ldr r8, [sp, #4] @ 4-byte Reload
|
|
; CHECK-ANDROID: mov r0, r5
|
|
; CHECK-ANDROID: mov r1, r4
|
|
; CHECK-ANDROID: mov r2, r7
|
|
; CHECK-ANDROID: mov r3, r6
|
|
; CHECK-ANDROID: mov r10, r11
|
|
; CHECK-ANDROID: bl params_and_return_in_reg2
|
|
; CHECK-ANDROID: mov r4, r0
|
|
; CHECK-ANDROID: mov r5, r1
|
|
; CHECK-ANDROID: mov r6, r2
|
|
; CHECK-ANDROID: mov r7, r3
|
|
; CHECK-ANDROID: mov r11, r8
|
|
; CHECK-ANDROID: mov r0, #1
|
|
; CHECK-ANDROID: mov r1, #2
|
|
; CHECK-ANDROID: mov r2, #3
|
|
; CHECK-ANDROID: mov r3, #4
|
|
; CHECK-ANDROID: mov r10, #0
|
|
; CHECK-ANDROID: mov r8, r9
|
|
; CHECK-ANDROID: bl params_in_reg2
|
|
; CHECK-ANDROID: mov r0, r4
|
|
; CHECK-ANDROID: mov r1, r5
|
|
; CHECK-ANDROID: mov r2, r6
|
|
; CHECK-ANDROID: mov r3, r7
|
|
; CHECK-ANDROID: mov r8, r11
|
|
; CHECK-ANDROID: add sp, sp, #16
|
|
; CHECK-ANDROID: pop {r4, r5, r6, r7, r9, r10, r11, pc}
|
|
|
|
define swiftcc { i32, i32, i32, i32} @params_and_return_in_reg(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err) {
|
|
%error_ptr_ref = alloca swifterror %swift_error*, align 8
|
|
store %swift_error* null, %swift_error** %error_ptr_ref
|
|
call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
|
|
%val = call swiftcc { i32, i32, i32, i32 } @params_and_return_in_reg2(i32 %0, i32 %1, i32 %2, i32 %3, i8* swiftself %4, %swift_error** nocapture swifterror %err)
|
|
call swiftcc void @params_in_reg2(i32 1, i32 2, i32 3, i32 4, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
|
|
ret { i32, i32, i32, i32 }%val
|
|
}
|
|
|
|
declare swiftcc { i32, i32, i32, i32 } @params_and_return_in_reg2(i32, i32, i32, i32, i8* swiftself, %swift_error** nocapture swifterror %err)
|
|
|
|
|
|
declare void @acallee(i8*)
|
|
|
|
; Make sure we don't tail call if the caller returns a swifterror value. We
|
|
; would have to move into the swifterror register before the tail call.
|
|
; CHECK-APPLE: tailcall_from_swifterror:
|
|
; CHECK-APPLE-NOT: b _acallee
|
|
; CHECK-APPLE: bl _acallee
|
|
; CHECK-ANDROID: tailcall_from_swifterror:
|
|
; CHECK-ANDROID-NOT: b acallee
|
|
; CHECK-ANDROID: bl acallee
|
|
|
|
define swiftcc void @tailcall_from_swifterror(%swift_error** swifterror %error_ptr_ref) {
|
|
entry:
|
|
tail call void @acallee(i8* null)
|
|
ret void
|
|
}
|
|
|
|
|
|
declare swiftcc void @foo2(%swift_error** swifterror)
|
|
|
|
; Make sure we properly assign registers during fast-isel.
|
|
; CHECK-O0-LABEL: testAssign
|
|
; CHECK-O0: mov r8, #0
|
|
; CHECK-O0: bl _foo2
|
|
; CHECK-O0: str r8, [s[[STK:p.*]]]
|
|
; CHECK-O0: ldr r0, [s[[STK]]]
|
|
; CHECK-O0: pop
|
|
|
|
; CHECK-APPLE-LABEL: testAssign
|
|
; CHECK-APPLE: mov r8, #0
|
|
; CHECK-APPLE: bl _foo2
|
|
; CHECK-APPLE: mov r0, r8
|
|
|
|
; CHECK-ANDROID-LABEL: testAssign
|
|
; CHECK-ANDROID: mov r8, #0
|
|
; CHECK-ANDROID: bl foo2
|
|
; CHECK-ANDROID: mov r0, r8
|
|
|
|
define swiftcc %swift_error* @testAssign(i8* %error_ref) {
|
|
entry:
|
|
%error_ptr = alloca swifterror %swift_error*
|
|
store %swift_error* null, %swift_error** %error_ptr
|
|
call swiftcc void @foo2(%swift_error** swifterror %error_ptr)
|
|
br label %a
|
|
|
|
a:
|
|
%error = load %swift_error*, %swift_error** %error_ptr
|
|
ret %swift_error* %error
|
|
}
|