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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=mldst-motion -S < %s | FileCheck %s
;target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @no_gep_same_ptr(i1 %c, ptr %p, i32 %x, i32 %y) {
; CHECK-LABEL: @no_gep_same_ptr(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[Y_SINK:%.*]] = phi i32 [ [[X:%.*]], [[IF_THEN]] ], [ [[Y:%.*]], [[IF_ELSE]] ]
; CHECK-NEXT: store i32 [[Y_SINK]], ptr [[P:%.*]], align 4
; CHECK-NEXT: ret void
;
entry:
br i1 %c, label %if.then, label %if.else
if.then:
store i32 %x, ptr %p
br label %if.end
if.else:
store i32 %y, ptr %p
br label %if.end
if.end:
ret void
}
define void @no_gep_different_ptr(i1 %c, ptr %p1, ptr %p2, i32 %x, i32 %y) {
; CHECK-LABEL: @no_gep_different_ptr(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 [[X:%.*]], ptr [[P1:%.*]], align 4
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: store i32 [[Y:%.*]], ptr [[P2:%.*]], align 4
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: ret void
;
entry:
br i1 %c, label %if.then, label %if.else
if.then:
store i32 %x, ptr %p1
br label %if.end
if.else:
store i32 %y, ptr %p2
br label %if.end
if.end:
ret void
}
define void @shared_gep(i1 %c, ptr %p, i32 %x, i32 %y) {
; CHECK-LABEL: @shared_gep(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[P:%.*]], i32 1
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[Y_SINK:%.*]] = phi i32 [ [[X:%.*]], [[IF_THEN]] ], [ [[Y:%.*]], [[IF_ELSE]] ]
; CHECK-NEXT: store i32 [[Y_SINK]], ptr [[GEP]], align 4
; CHECK-NEXT: ret void
;
entry:
%gep = getelementptr i32, ptr %p, i32 1
br i1 %c, label %if.then, label %if.else
if.then:
store i32 %x, ptr %gep
br label %if.end
if.else:
store i32 %y, ptr %gep
br label %if.end
if.end:
ret void
}
define void @separate_geps(i1 %c, ptr %p, i32 %x, i32 %y) {
; CHECK-LABEL: @separate_geps(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[C:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK: if.else:
; CHECK-NEXT: br label [[IF_END]]
; CHECK: if.end:
; CHECK-NEXT: [[Y_SINK:%.*]] = phi i32 [ [[X:%.*]], [[IF_THEN]] ], [ [[Y:%.*]], [[IF_ELSE]] ]
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr i32, ptr [[P:%.*]], i32 1
; CHECK-NEXT: store i32 [[Y_SINK]], ptr [[TMP0]], align 4
; CHECK-NEXT: ret void
;
entry:
br i1 %c, label %if.then, label %if.else
if.then:
%gep1 = getelementptr i32, ptr %p, i32 1
store i32 %x, ptr %gep1
br label %if.end
if.else:
%gep2 = getelementptr i32, ptr %p, i32 1
store i32 %y, ptr %gep2
br label %if.end
if.end:
ret void
}
|
