RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-22 18:54:02 +01:00
Code Issues Projects Releases Wiki Activity
cfbd77a7f1
llvm-mirror/test/CodeGen/SystemZ/swifterror.ll
Matt Arsenault f8cfaf8c10 OpaquePtr: Bulk update tests to use typed sret
2020-11-20 17:58:26 -05:00

353 lines
11 KiB
LLVM
Raw Blame History

; RUN: llc < %s -mtriple=s390x-linux-gnu -disable-block-placement | FileCheck %s
; RUN: llc < %s -O0 -mtriple=s390x-linux-gnu -disable-block-placement | FileCheck --check-prefix=CHECK-O0 %s
declare i8* @malloc(i64)
declare void @free(i8*)
%swift_error = type {i64, i8}
; This tests the basic usage of a swifterror parameter. "foo" is the function
; that takes a swifterror parameter and "caller" is the caller of "foo".
define float @foo(%swift_error** swifterror %error_ptr_ref) {
; CHECK-LABEL: foo:
; CHECK: lghi %r2, 16
; CHECK: brasl %r14, malloc
; CHECK: mvi 8(%r2), 1
; CHECK: lgr %r9, %r2
; CHECK-O0-LABEL: foo:
; CHECK-O0: lghi %r2, 16
; CHECK-O0: brasl %r14, malloc
; CHECK-O0: lgr [[T0:%r[0-9]+]], %r2
; CHECK-O0: mvi 8(%r2), 1
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
ret float 1.0
}
; "caller" calls "foo" that takes a swifterror parameter.
define float @caller(i8* %error_ref) {
; CHECK-LABEL: caller:
; Make a copy of error_ref because r2 is getting clobbered
; CHECK: lgr %r[[REG1:[0-9]+]], %r2
; CHECK: lghi %r9, 0
; CHECK: brasl %r14, foo
; CHECK: %r2, %r9
; CHECK: jlh
; Access part of the error object and save it to error_ref
; CHECK: lb %r[[REG2:[0-9]+]], 8(%r2)
; CHECK: stc %r[[REG2]], 0(%r[[REG1]])
; CHECK: brasl %r14, free
; CHECK-O0-LABEL: caller:
; CHECK-O0: lghi %r9, 0
; CHECK-O0: brasl %r14, foo
; CHECK-O0: cghi %r9, 0
; CHECK-O0: jlh
entry:
%error_ptr_ref = alloca swifterror %swift_error*
store %swift_error* null, %swift_error** %error_ptr_ref
%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
%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
}
; "caller2" is the caller of "foo", it calls "foo" inside a loop.
define float @caller2(i8* %error_ref) {
; CHECK-LABEL: caller2:
; Make a copy of error_ref because r2 is getting clobbered
; CHECK: lgr %r[[REG1:[0-9]+]], %r2
; CHECK: lghi %r9, 0
; CHECK: brasl %r14, foo
; CHECK: cgijlh %r9, 0,
; CHECK: ceb %f0,
; CHECK: jnh
; Access part of the error object and save it to error_ref
; CHECK: lb %r[[REG2:[0-9]+]], 8(%r9)
; CHECK: stc %r[[REG2]], 0(%r[[REG1]])
; CHECK: lgr %r2, %r9
; CHECK: brasl %r14, free
; CHECK-O0-LABEL: caller2:
; CHECK-O0: lghi %r9, 0
; CHECK-O0: brasl %r14, foo
; CHECK-O0: cghi %r9, 0
; CHECK-O0: jlh
entry:
%error_ptr_ref = alloca swifterror %swift_error*
br label %bb_loop
bb_loop:
store %swift_error* null, %swift_error** %error_ptr_ref
%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
%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:
%cmp = fcmp ogt float %call, 1.000000e+00
br i1 %cmp, label %bb_end, label %bb_loop
bb_end:
%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
}
; "foo_if" is a function that takes a swifterror parameter, it sets swifterror
; under a certain condition.
define float @foo_if(%swift_error** swifterror %error_ptr_ref, i32 %cc) {
; CHECK-LABEL: foo_if:
; CHECK: cije %r2, 0
; CHECK: lghi %r2, 16
; CHECK: brasl %r14, malloc
; CHECK: mvi 8(%r2), 1
; CHECK: lgr %r9, %r2
; CHECK-NOT: %r9
; CHECK: br %r14
; CHECK-O0-LABEL: foo_if:
; spill to stack
; CHECK-O0: stg %r9, [[OFFS:[0-9]+]](%r15)
; CHECK-O0: chi %r2, 0
; CHECK-O0: je
; CHECK-O0: lghi %r2, 16
; CHECK-O0: brasl %r14, malloc
; CHECK-O0: lgr %r9, %r2
; CHECK-O0: mvi 8(%r2), 1
; CHECK-O0: br %r14
; reload from stack
; CHECK-O0: lg %r9, [[OFFS]](%r15)
; CHECK-O0: br %r14
entry:
%cond = icmp ne i32 %cc, 0
br i1 %cond, label %gen_error, label %normal
gen_error:
%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
ret float 1.0
normal:
ret float 0.0
}
; "foo_loop" is a function that takes a swifterror parameter, it sets swifterror
; under a certain condition inside a loop.
define float @foo_loop(%swift_error** swifterror %error_ptr_ref, i32 %cc, float %cc2) {
; CHECK-LABEL: foo_loop:
; CHECK: lr %r[[REG1:[0-9]+]], %r2
; CHECK: cije %r[[REG1]], 0
; CHECK: lghi %r2, 16
; CHECK: brasl %r14, malloc
; CHECK: mvi 8(%r2), 1
; CHECK: ceb %f8,
; CHECK: jnh
; CHECK: lgr %r9, %r2
; CHECK: br %r14
; CHECK-O0-LABEL: foo_loop:
; spill to stack
; CHECK-O0: stg %r9, [[OFFS:[0-9]+]](%r15)
; CHECK-O0: chi %r{{.*}}, 0
; CHECK-O0: je
; CHECK-O0: lghi %r2, 16
; CHECK-O0: brasl %r14, malloc
; CHECK-O0: lgr %r[[REG1:[0-9]+]], %r2
; CHECK-O0: mvi 8(%r[[REG1]]), 1
; CHECK-O0: jnh
; reload from stack
; CHECK-O0: lg %r9, [[OFFS:[0-9]+]](%r15)
; CHECK-O0: br %r14
entry:
br label %bb_loop
bb_loop:
%cond = icmp ne i32 %cc, 0
br i1 %cond, label %gen_error, label %bb_cont
gen_error:
%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
br label %bb_cont
bb_cont:
%cmp = fcmp ogt float %cc2, 1.000000e+00
br i1 %cmp, label %bb_end, label %bb_loop
bb_end:
ret float 0.0
}
%struct.S = type { i32, i32, i32, i32, i32, i32 }
; "foo_sret" is a function that takes a swifterror parameter, it also has a sret
; parameter.
define void @foo_sret(%struct.S* sret(%struct.S) %agg.result, i32 %val1, %swift_error** swifterror %error_ptr_ref) {
; CHECK-LABEL: foo_sret:
; CHECK-DAG: lgr %r[[REG1:[0-9]+]], %r2
; CHECK-DAG: lr %r[[REG2:[0-9]+]], %r3
; CHECK: lghi %r2, 16
; CHECK: brasl %r14, malloc
; CHECK: mvi 8(%r2), 1
; CHECK: st %r[[REG2]], 4(%r[[REG1]])
; CHECK: lgr %r9, %r2
; CHECK-NOT: %r9
; CHECK: br %r14
; CHECK-O0-LABEL: foo_sret:
; spill sret to stack
; CHECK-O0-DAG: stg %r2, [[OFFS1:[0-9]+]](%r15)
; CHECK-O0-DAG: st %r3, [[OFFS2:[0-9]+]](%r15)
; CHECK-O0: lghi %r2, 16
; CHECK-O0: brasl %r14, malloc
; CHECK-O0-DAG: lgr %r[[REG3:[0-9]+]], %r2
; CHECK-O0-DAG: mvi 8(%r[[REG3]]), 1
; CHECK-O0-DAG: lg %r[[REG1:[0-9]+]], [[OFFS1]](%r15)
; CHECK-O0-DAG: lgr %r9, %r[[REG3]]
; CHECK-O0-DAG: l %r[[REG2:[0-9]+]], [[OFFS2]](%r15)
; CHECK-O0: st %r[[REG2]], 4(%r[[REG1]])
; CHECK-O0: br %r14
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
%v2 = getelementptr inbounds %struct.S, %struct.S* %agg.result, i32 0, i32 1
store i32 %val1, i32* %v2
ret void
}
; "caller3" calls "foo_sret" that takes a swifterror parameter.
define float @caller3(i8* %error_ref) {
; CHECK-LABEL: caller3:
; Make a copy of error_ref because r2 is getting clobbered
; CHECK: lgr %r[[REG1:[0-9]+]], %r2
; CHECK: lhi %r3, 1
; CHECK: lghi %r9, 0
; CHECK: brasl %r14, foo_sret
; CHECK: jlh
; Access part of the error object and save it to error_ref
; CHECK: lb %r0, 8(%r2)
; CHECK: stc %r0, 0(%r[[REG1]])
; CHECK: brasl %r14, free
; CHECK-O0-LABEL: caller3:
; CHECK-O0: lghi %r9, 0
; CHECK-O0: lhi %r3, 1
; CHECK-O0: brasl %r14, foo_sret
; CHECK-O0: lgr {{.*}}, %r9
; CHECK-O0: cghi %r9, 0
; CHECK-O0: jlh
; Access part of the error object and save it to error_ref
; CHECK-O0: lb %r0, 8(%r{{.*}})
; CHECK-O0: stc %r0, 0(%r{{.*}})
; reload from stack
; CHECK-O0: lg %r2, {{.*}}(%r15)
; CHECK-O0: brasl %r14, free
entry:
%s = alloca %struct.S, align 8
%error_ptr_ref = alloca swifterror %swift_error*
store %swift_error* null, %swift_error** %error_ptr_ref
call void @foo_sret(%struct.S* sret(%struct.S) %s, i32 1, %swift_error** swifterror %error_ptr_ref)
%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
}
; This is a caller with multiple swifterror values, it calls "foo" twice, each
; time with a different swifterror value, from "alloca swifterror".
define float @caller_with_multiple_swifterror_values(i8* %error_ref, i8* %error_ref2) {
; CHECK-LABEL: caller_with_multiple_swifterror_values:
; CHECK-DAG: lgr %r[[REG1:[0-9]+]], %r2
; CHECK-DAG: lgr %r[[REG2:[0-9]+]], %r3
; The first swifterror value:
; CHECK: lghi %r9, 0
; CHECK: brasl %r14, foo
; CHECK: ltgr %r2, %r9
; CHECK: jlh
; Access part of the error object and save it to error_ref
; CHECK: lb %r0, 8(%r2)
; CHECK: stc %r0, 0(%r[[REG1]])
; CHECK: brasl %r14, free
; The second swifterror value:
; CHECK: lghi %r9, 0
; CHECK: brasl %r14, foo
; CHECK: ltgr %r2, %r9
; CHECK: jlh
; Access part of the error object and save it to error_ref
; CHECK: lb %r0, 8(%r2)
; CHECK: stc %r0, 0(%r[[REG2]])
; CHECK: brasl %r14, free
; CHECK-O0-LABEL: caller_with_multiple_swifterror_values:
; The first swifterror value:
; CHECK-O0: lghi %r9, 0
; CHECK-O0: brasl %r14, foo
; CHECK-O0: jlh
; The second swifterror value:
; CHECK-O0: lghi %r9, 0
; CHECK-O0: brasl %r14, foo
; CHECK-O0: jlh
entry:
%error_ptr_ref = alloca swifterror %swift_error*
store %swift_error* null, %swift_error** %error_ptr_ref
%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
%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)
%error_ptr_ref2 = alloca swifterror %swift_error*
store %swift_error* null, %swift_error** %error_ptr_ref2
%call2 = call float @foo(%swift_error** swifterror %error_ptr_ref2)
%error_from_foo2 = load %swift_error*, %swift_error** %error_ptr_ref2
%had_error_from_foo2 = icmp ne %swift_error* %error_from_foo2, null
%bitcast2 = bitcast %swift_error* %error_from_foo2 to i8*
br i1 %had_error_from_foo2, label %handler2, label %cont2
cont2:
%v2 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo2, i64 0, i32 1
%t2 = load i8, i8* %v2
store i8 %t2, i8* %error_ref2
br label %handler2
handler2:
call void @free(i8* %bitcast2)
ret float 1.0
}
Reference in New Issue View Git Blame Copy Permalink