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[X86][NFC] Change test name and add a new test #109638

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Sep 23, 2024
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[X86][NFC] Change test name and add a new test #109638

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35 changes: 33 additions & 2 deletions llvm/test/Transforms/SimplifyCFG/X86/hoist-loads-stores-with-cf.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -672,8 +672,8 @@ if.false:
ret void
}

define i32 @str_transcode0(i1 %cond1, ptr %p, i1 %cond2) {
; CHECK-LABEL: @str_transcode0(
define i32 @succ_phi_has_3input(i1 %cond1, ptr %p, i1 %cond2) {
; CHECK-LABEL: @succ_phi_has_3input(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[COND1:%.*]], label [[BB3:%.*]], label [[BB1:%.*]]
; CHECK: bb1:
Expand Down Expand Up @@ -728,6 +728,37 @@ if.true:
ret i32 %res
}

define i32 @succ1to0_phi3(ptr %p, ptr %p2, i32 %x) {
; CHECK-LABEL: @succ1to0_phi3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[COND:%.*]] = icmp eq ptr [[P:%.*]], null
; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[COND]], true
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i1 [[TMP0]] to <1 x i1>
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32 [[X:%.*]] to <1 x i32>
; CHECK-NEXT: [[TMP3:%.*]] = call <1 x i32> @llvm.masked.load.v1i32.p0(ptr [[P]], i32 4, <1 x i1> [[TMP1]], <1 x i32> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast <1 x i32> [[TMP3]] to i32
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32 [[TMP4]] to <1 x i32>
; CHECK-NEXT: call void @llvm.masked.store.v1i32.p0(<1 x i32> [[TMP5]], ptr [[P2:%.*]], i32 4, <1 x i1> [[TMP1]])
; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[COND]], i32 0, i32 [[TMP4]]
; CHECK-NEXT: [[RES:%.*]] = add i32 [[SPEC_SELECT]], [[TMP4]]
; CHECK-NEXT: ret i32 [[RES]]
;
entry:
%cond = icmp eq ptr %p, null
br i1 %cond, label %if.true, label %if.false

if.false:
%0 = load i32, ptr %p
store i32 %0, ptr %p2
br label %if.true

if.true:
%res0 = phi i32 [ %0, %if.false ], [ 0, %entry ]
%res1 = phi i32 [ %0, %if.false ], [ %x, %entry ]
%res = add i32 %res0, %res1
ret i32 %res
}

declare i32 @read_memory_only() readonly nounwind willreturn speculatable

!llvm.dbg.cu = !{!0}
Expand Down
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