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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG
; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG
declare i8 @gen.i8()
declare ptr @gen.ptr()
define i8 @store(i8 %init, i1 %cond, ptr dereferenceable(4) %escape) {
; CHECK-PRESERVE-CFG-LABEL: @store(
; CHECK-PRESERVE-CFG-NEXT: entry:
; CHECK-PRESERVE-CFG-NEXT: [[TMP:%.*]] = alloca i8, align 4
; CHECK-PRESERVE-CFG-NEXT: store i8 [[INIT:%.*]], ptr [[TMP]], align 4
; CHECK-PRESERVE-CFG-NEXT: [[REINIT:%.*]] = call i8 @gen.i8()
; CHECK-PRESERVE-CFG-NEXT: [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[TMP]], ptr [[ESCAPE:%.*]]
; CHECK-PRESERVE-CFG-NEXT: store i8 [[REINIT]], ptr [[ADDR]], align 4
; CHECK-PRESERVE-CFG-NEXT: [[TMP_0_RES:%.*]] = load i8, ptr [[TMP]], align 4
; CHECK-PRESERVE-CFG-NEXT: ret i8 [[TMP_0_RES]]
;
; CHECK-MODIFY-CFG-LABEL: @store(
; CHECK-MODIFY-CFG-NEXT: entry:
; CHECK-MODIFY-CFG-NEXT: [[REINIT:%.*]] = call i8 @gen.i8()
; CHECK-MODIFY-CFG-NEXT: br i1 [[COND:%.*]], label [[ENTRY_THEN:%.*]], label [[ENTRY_ELSE:%.*]]
; CHECK-MODIFY-CFG: entry.then:
; CHECK-MODIFY-CFG-NEXT: br label [[ENTRY_CONT:%.*]]
; CHECK-MODIFY-CFG: entry.else:
; CHECK-MODIFY-CFG-NEXT: store i8 [[REINIT]], ptr [[ESCAPE:%.*]], align 4
; CHECK-MODIFY-CFG-NEXT: br label [[ENTRY_CONT]]
; CHECK-MODIFY-CFG: entry.cont:
; CHECK-MODIFY-CFG-NEXT: [[TMP_0:%.*]] = phi i8 [ [[REINIT]], [[ENTRY_THEN]] ], [ [[INIT:%.*]], [[ENTRY_ELSE]] ]
; CHECK-MODIFY-CFG-NEXT: ret i8 [[TMP_0]]
;
entry:
%tmp = alloca i8, align 4
store i8 %init, ptr %tmp, align 4
%reinit = call i8 @gen.i8()
%addr = select i1 %cond, ptr %tmp, ptr %escape
store i8 %reinit, ptr %addr, align 4
%res = load i8, ptr %tmp, align 4
ret i8 %res
}
define ptr @store_of_addr(ptr %init, i1 %cond, ptr %other.ptr, ptr dereferenceable(4) %escape.dest) {
; CHECK-LABEL: @store_of_addr(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP:%.*]] = alloca ptr, align 4
; CHECK-NEXT: store ptr [[INIT:%.*]], ptr [[TMP]], align 4
; CHECK-NEXT: [[REINIT:%.*]] = call ptr @gen.ptr()
; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[TMP]], ptr [[OTHER_PTR:%.*]]
; CHECK-NEXT: store ptr [[ADDR]], ptr [[ESCAPE_DEST:%.*]], align 4
; CHECK-NEXT: [[RES:%.*]] = load ptr, ptr [[TMP]], align 4
; CHECK-NEXT: ret ptr [[RES]]
;
entry:
%tmp = alloca ptr, align 4
store ptr %init, ptr %tmp, align 4
%reinit = call ptr @gen.ptr()
%addr = select i1 %cond, ptr %tmp, ptr %other.ptr
store ptr %addr, ptr %escape.dest, align 4
%res = load ptr, ptr %tmp, align 4
ret ptr %res
}
define i8 @store_atomic_unord(i8 %init, i1 %cond, ptr dereferenceable(4) %escape) {
; CHECK-PRESERVE-CFG-LABEL: @store_atomic_unord(
; CHECK-PRESERVE-CFG-NEXT: entry:
; CHECK-PRESERVE-CFG-NEXT: [[TMP:%.*]] = alloca i8, align 4
; CHECK-PRESERVE-CFG-NEXT: store i8 [[INIT:%.*]], ptr [[TMP]], align 4
; CHECK-PRESERVE-CFG-NEXT: [[REINIT:%.*]] = call i8 @gen.i8()
; CHECK-PRESERVE-CFG-NEXT: [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[TMP]], ptr [[ESCAPE:%.*]]
; CHECK-PRESERVE-CFG-NEXT: store atomic i8 [[REINIT]], ptr [[ADDR]] unordered, align 4
; CHECK-PRESERVE-CFG-NEXT: [[TMP_0_RES:%.*]] = load i8, ptr [[TMP]], align 4
; CHECK-PRESERVE-CFG-NEXT: ret i8 [[TMP_0_RES]]
;
; CHECK-MODIFY-CFG-LABEL: @store_atomic_unord(
; CHECK-MODIFY-CFG-NEXT: entry:
; CHECK-MODIFY-CFG-NEXT: [[REINIT:%.*]] = call i8 @gen.i8()
; CHECK-MODIFY-CFG-NEXT: br i1 [[COND:%.*]], label [[ENTRY_THEN:%.*]], label [[ENTRY_ELSE:%.*]]
; CHECK-MODIFY-CFG: entry.then:
; CHECK-MODIFY-CFG-NEXT: br label [[ENTRY_CONT:%.*]]
; CHECK-MODIFY-CFG: entry.else:
; CHECK-MODIFY-CFG-NEXT: store atomic i8 [[REINIT]], ptr [[ESCAPE:%.*]] unordered, align 4
; CHECK-MODIFY-CFG-NEXT: br label [[ENTRY_CONT]]
; CHECK-MODIFY-CFG: entry.cont:
; CHECK-MODIFY-CFG-NEXT: [[TMP_0:%.*]] = phi i8 [ [[REINIT]], [[ENTRY_THEN]] ], [ [[INIT:%.*]], [[ENTRY_ELSE]] ]
; CHECK-MODIFY-CFG-NEXT: ret i8 [[TMP_0]]
;
entry:
%tmp = alloca i8, align 4
store i8 %init, ptr %tmp, align 4
%reinit = call i8 @gen.i8()
%addr = select i1 %cond, ptr %tmp, ptr %escape
store atomic i8 %reinit, ptr %addr unordered, align 4
%res = load i8, ptr %tmp, align 4
ret i8 %res
}
define i8 @store_volatile(i8 %init, i1 %cond, ptr dereferenceable(4) %escape) {
; CHECK-LABEL: @store_volatile(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP:%.*]] = alloca i8, align 4
; CHECK-NEXT: store i8 [[INIT:%.*]], ptr [[TMP]], align 4
; CHECK-NEXT: [[REINIT:%.*]] = call i8 @gen.i8()
; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[COND:%.*]], ptr [[TMP]], ptr [[ESCAPE:%.*]]
; CHECK-NEXT: store volatile i8 [[REINIT]], ptr [[ADDR]], align 4
; CHECK-NEXT: [[TMP_0_RES:%.*]] = load i8, ptr [[TMP]], align 4
; CHECK-NEXT: ret i8 [[TMP_0_RES]]
;
entry:
%tmp = alloca i8, align 4
store i8 %init, ptr %tmp, align 4
%reinit = call i8 @gen.i8()
%addr = select i1 %cond, ptr %tmp, ptr %escape
store volatile i8 %reinit, ptr %addr, align 4
%res = load i8, ptr %tmp, align 4
ret i8 %res
}
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