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82 lines
2.3 KiB
LLVM
82 lines
2.3 KiB
LLVM
; RUN: opt -gvn-hoist -S < %s | FileCheck %s
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; Check that urem is not hoisted.
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; CHECK-LABEL: @main
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; CHECK: urem
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; CHECK: urem
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; CHECK: urem
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@g_x_s = global i32 -470211272, align 4
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@g_z_s = global i32 2007237709, align 4
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@g_x_u = global i32 282475249, align 4
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@g_z_u = global i32 984943658, align 4
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@g_m = global i32 16807, align 4
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@res = common global i32 0, align 4
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; Function Attrs:
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define i64 @func() #0 {
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entry:
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ret i64 1
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}
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; Function Attrs:
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define i32 @main() {
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entry:
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%0 = load volatile i32, i32* @g_x_s, align 4
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%1 = load volatile i32, i32* @g_z_s, align 4
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%2 = load volatile i32, i32* @g_x_u, align 4
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%3 = load volatile i32, i32* @g_z_u, align 4
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%4 = load volatile i32, i32* @g_m, align 4
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%call = call i64 @func() #4
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%conv = sext i32 %1 to i64
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%cmp = icmp ne i64 %call, %conv
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br i1 %cmp, label %if.end, label %lor.lhs.false
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lor.lhs.false:
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%div = udiv i32 %4, %1
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%rem = urem i32 %0, %div
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%cmp2 = icmp eq i32 %rem, 0
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br i1 %cmp2, label %if.end, label %if.then
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if.then:
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br label %cleanup
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if.end:
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%call4 = call i64 @func() #4
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%conv5 = zext i32 %3 to i64
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%cmp6 = icmp ne i64 %call4, %conv5
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br i1 %cmp6, label %if.end14, label %lor.lhs.false8
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lor.lhs.false8:
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%div9 = udiv i32 %4, %3
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%rem10 = urem i32 %0, %div9
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%cmp11 = icmp eq i32 %rem10, 0
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br i1 %cmp11, label %if.end14, label %if.then13
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if.then13:
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br label %cleanup
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if.end14:
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%call15 = call i64 @func() #4
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%cmp17 = icmp ne i64 %call15, %conv
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br i1 %cmp17, label %if.end25, label %lor.lhs.false19
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lor.lhs.false19:
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%div20 = udiv i32 %4, %1
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%rem21 = urem i32 %0, %div20
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%cmp22 = icmp eq i32 %rem21, 0
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br i1 %cmp22, label %if.end25, label %if.then24
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if.then24:
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br label %cleanup
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if.end25:
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br label %cleanup
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cleanup:
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%retval.0 = phi i32 [ 0, %if.end25 ], [ 1, %if.then24 ], [ 1, %if.then13 ], [ 1, %if.then ]
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ret i32 %retval.0
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}
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attributes #0 = { minsize noinline nounwind optsize uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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