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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
; RUN: opt -S -passes=gvn < %s | FileCheck %s
declare void @capture(ptr)
declare void @some_call()
define i32 @test_call_before_capture(ptr %p) {
; CHECK-LABEL: define i32 @test_call_before_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: call void @some_call()
; CHECK-NEXT: call void @capture(ptr [[A]])
; CHECK-NEXT: ret i32 123
;
%a = alloca i32
store i32 123, ptr %a
call void @some_call()
%v = load i32, ptr %a
call void @capture(ptr %a)
ret i32 %v
}
define i32 @test_call_after_capture(ptr %p) {
; CHECK-LABEL: define i32 @test_call_after_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: call void @capture(ptr [[A]])
; CHECK-NEXT: call void @some_call()
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: ret i32 [[V]]
;
%a = alloca i32
store i32 123, ptr %a
call void @capture(ptr %a)
call void @some_call()
%v = load i32, ptr %a
ret i32 %v
}
define i32 @test_store_before_capture(ptr %p) {
; CHECK-LABEL: define i32 @test_store_before_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: [[P2:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT: store i32 42, ptr [[P2]], align 4
; CHECK-NEXT: call void @capture(ptr [[A]])
; CHECK-NEXT: ret i32 123
;
%a = alloca i32
store i32 123, ptr %a
%p2 = load ptr, ptr %p
store i32 42, ptr %p2
%v = load i32, ptr %a
call void @capture(ptr %a)
ret i32 %v
}
define i32 @test_store_after_capture(ptr %p) {
; CHECK-LABEL: define i32 @test_store_after_capture(
; CHECK-SAME: ptr [[P:%.*]]) {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: call void @capture(ptr [[A]])
; CHECK-NEXT: [[P2:%.*]] = load ptr, ptr [[P]], align 8
; CHECK-NEXT: store i32 42, ptr [[P2]], align 4
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: ret i32 [[V]]
;
%a = alloca i32
store i32 123, ptr %a
call void @capture(ptr %a)
%p2 = load ptr, ptr %p
store i32 42, ptr %p2
%v = load i32, ptr %a
ret i32 %v
}
define i32 @test_capture_readonly() {
; CHECK-LABEL: define i32 @test_capture_readonly() {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: call void @capture(ptr readonly [[A]])
; CHECK-NEXT: ret i32 123
;
%a = alloca i32
store i32 123, ptr %a
call void @capture(ptr readonly %a)
%v = load i32, ptr %a
ret i32 %v
}
define i32 @test_capture_readonly_with_following_call() {
; CHECK-LABEL: define i32 @test_capture_readonly_with_following_call() {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: call void @capture(ptr readonly [[A]])
; CHECK-NEXT: call void @some_call()
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: ret i32 [[V]]
;
%a = alloca i32
store i32 123, ptr %a
call void @capture(ptr readonly %a)
call void @some_call()
%v = load i32, ptr %a
ret i32 %v
}
declare void @use(i32)
define i32 @test_capture_readonly_in_loop() {
; CHECK-LABEL: define i32 @test_capture_readonly_in_loop() {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: call void @capture(ptr readonly [[A]])
; CHECK-NEXT: [[V:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: call void @use(i32 [[V]]) #[[ATTR0:[0-9]+]]
; CHECK-NEXT: br label [[LOOP]]
;
%a = alloca i32
store i32 123, ptr %a
br label %loop
loop:
call void @capture(ptr readonly %a)
%v = load i32, ptr %a
call void @use(i32 %v) memory(none)
br label %loop
}
define i32 @test_splat_gep_capture(<1 x i32> %index) {
; CHECK-LABEL: define i32 @test_splat_gep_capture(
; CHECK-SAME: <1 x i32> [[INDEX:%.*]]) {
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 123, ptr [[A]], align 4
; CHECK-NEXT: [[PTRS:%.*]] = getelementptr inbounds i32, ptr [[A]], <1 x i32> [[INDEX]]
; CHECK-NEXT: call void @some_call(<1 x ptr> [[PTRS]])
; CHECK-NEXT: [[RELOAD:%.*]] = load i32, ptr [[A]], align 4
; CHECK-NEXT: ret i32 [[RELOAD]]
;
%a = alloca i32
store i32 123, ptr %a
%ptrs = getelementptr inbounds i32, ptr %a, <1 x i32> %index
call void @some_call(<1 x ptr> %ptrs)
%reload = load i32, ptr %a
ret i32 %reload
}
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