129 lines
3.6 KiB
LLVM
129 lines
3.6 KiB
LLVM
; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown | FileCheck %s
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@a = global [10 x i8] zeroinitializer, align 1
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declare void @foo()
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; ext(and(ld, cst)) -> and(ext(ld), ext(cst))
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define void @test1(i32* %p, i32 %ll) {
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; CHECK-LABEL: @test1
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; CHECK-NEXT: entry:
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; CHECK-NEXT: load
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; CHECK-NEXT: zext
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; CHECK-NEXT: and
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entry:
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%tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1
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%and = and i8 %tmp, 60
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%cmp = icmp ugt i8 %and, 20
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%conv2 = zext i8 %and to i32
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%add = add nsw i32 %conv2, %ll
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store i32 %add, i32* %p, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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tail call void @foo()
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ret void
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}
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; ext(or(ld, cst)) -> or(ext(ld), ext(cst))
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define void @test2(i32* %p, i32 %ll) {
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; CHECK-LABEL: @test2
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; CHECK-NEXT: entry:
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; CHECK-NEXT: load
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; CHECK-NEXT: zext
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; CHECK-NEXT: or
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entry:
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%tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1
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%or = or i8 %tmp, 60
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%cmp = icmp ugt i8 %or, 20
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%conv2 = zext i8 %or to i32
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%add = add nsw i32 %conv2, %ll
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store i32 %add, i32* %p, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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tail call void @foo()
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ret void
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}
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; ext(and(shl(ld, cst), cst)) -> and(shl(ext(ld), ext(cst)), ext(cst))
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define void @test3(i32* %p, i32 %ll) {
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; CHECK-LABEL: @test3
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; CHECK-NEXT: entry:
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; CHECK-NEXT: load
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; CHECK-NEXT: zext
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; CHECK-NEXT: shl
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; CHECK-NEXT: and
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entry:
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%tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1
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%shl = shl i8 %tmp, 2
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%and = and i8 %shl, 60
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%cmp = icmp ugt i8 %and, 20
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%conv2 = zext i8 %and to i32
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%add = add nsw i32 %conv2, %ll
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store i32 %add, i32* %p, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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tail call void @foo()
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ret void
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}
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; zext(shrl(ld, cst)) -> shrl(zext(ld), zext(cst))
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define void @test4(i32* %p, i32 %ll) {
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; CHECK-LABEL: @test4
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; CHECK-NEXT: entry:
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; CHECK-NEXT: load
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; CHECK-NEXT: zext
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; CHECK-NEXT: lshr
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entry:
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%tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1
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%lshr = lshr i8 %tmp, 2
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%cmp = icmp ugt i8 %lshr, 20
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%conv2 = zext i8 %lshr to i32
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%add = add nsw i32 %conv2, %ll
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store i32 %add, i32* %p, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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tail call void @foo()
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ret void
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}
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; ext(xor(ld, cst)) -> xor(ext(ld), ext(cst))
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define void @test5(i32* %p, i32 %ll) {
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; CHECK-LABEL: @test5
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; CHECK-NEXT: entry:
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; CHECK-NEXT: load
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; CHECK-NEXT: zext
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; CHECK-NEXT: xor
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entry:
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%tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1
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%xor = xor i8 %tmp, 60
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%cmp = icmp ugt i8 %xor, 20
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%conv2 = zext i8 %xor to i32
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%add = add nsw i32 %conv2, %ll
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store i32 %add, i32* %p, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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tail call void @foo()
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ret void
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}
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