1; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown | FileCheck %s 2 3 4@a = global [10 x i8] zeroinitializer, align 1 5declare void @foo() 6 7; ext(and(ld, cst)) -> and(ext(ld), ext(cst)) 8define void @test1(i32* %p, i32 %ll) { 9; CHECK-LABEL: @test1 10; CHECK-NEXT: entry: 11; CHECK-NEXT: load 12; CHECK-NEXT: zext 13; CHECK-NEXT: and 14entry: 15 %tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1 16 %and = and i8 %tmp, 60 17 %cmp = icmp ugt i8 %and, 20 18 br i1 %cmp, label %if.then, label %if.end 19 20if.then: ; preds = %entry 21 %conv2 = zext i8 %and to i32 22 %add = add nsw i32 %conv2, %ll 23 store i32 %add, i32* %p, align 4 24 br label %if.end 25 26if.end: ; preds = %if.then, %entry 27 tail call void @foo() 28 ret void 29} 30 31; ext(or(ld, cst)) -> or(ext(ld), ext(cst)) 32define void @test2(i32* %p, i32 %ll) { 33; CHECK-LABEL: @test2 34; CHECK-NEXT: entry: 35; CHECK-NEXT: load 36; CHECK-NEXT: zext 37; CHECK-NEXT: or 38entry: 39 %tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1 40 %or = or i8 %tmp, 60 41 %cmp = icmp ugt i8 %or, 20 42 br i1 %cmp, label %if.then, label %if.end 43 44if.then: ; preds = %entry 45 %conv2 = zext i8 %or to i32 46 %add = add nsw i32 %conv2, %ll 47 store i32 %add, i32* %p, align 4 48 br label %if.end 49 50if.end: ; preds = %if.then, %entry 51 tail call void @foo() 52 ret void 53} 54 55; ext(and(shl(ld, cst), cst)) -> and(shl(ext(ld), ext(cst)), ext(cst)) 56define void @test3(i32* %p, i32 %ll) { 57; CHECK-LABEL: @test3 58; CHECK-NEXT: entry: 59; CHECK-NEXT: load 60; CHECK-NEXT: zext 61; CHECK-NEXT: shl 62; CHECK-NEXT: and 63entry: 64 %tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1 65 %shl = shl i8 %tmp, 2 66 %and = and i8 %shl, 60 67 %cmp = icmp ugt i8 %and, 20 68 br i1 %cmp, label %if.then, label %if.end 69 70if.then: ; preds = %entry 71 %conv2 = zext i8 %and to i32 72 %add = add nsw i32 %conv2, %ll 73 store i32 %add, i32* %p, align 4 74 br label %if.end 75 76if.end: ; preds = %if.then, %entry 77 tail call void @foo() 78 ret void 79} 80 81; zext(shrl(ld, cst)) -> shrl(zext(ld), zext(cst)) 82define void @test4(i32* %p, i32 %ll) { 83; CHECK-LABEL: @test4 84; CHECK-NEXT: entry: 85; CHECK-NEXT: load 86; CHECK-NEXT: zext 87; CHECK-NEXT: lshr 88entry: 89 %tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1 90 %lshr = lshr i8 %tmp, 2 91 %cmp = icmp ugt i8 %lshr, 20 92 br i1 %cmp, label %if.then, label %if.end 93 94if.then: ; preds = %entry 95 %conv2 = zext i8 %lshr to i32 96 %add = add nsw i32 %conv2, %ll 97 store i32 %add, i32* %p, align 4 98 br label %if.end 99 100if.end: ; preds = %if.then, %entry 101 tail call void @foo() 102 ret void 103} 104 105; ext(xor(ld, cst)) -> xor(ext(ld), ext(cst)) 106define void @test5(i32* %p, i32 %ll) { 107; CHECK-LABEL: @test5 108; CHECK-NEXT: entry: 109; CHECK-NEXT: load 110; CHECK-NEXT: zext 111; CHECK-NEXT: xor 112entry: 113 %tmp = load i8, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @a, i64 0, i64 0), align 1 114 %xor = xor i8 %tmp, 60 115 %cmp = icmp ugt i8 %xor, 20 116 br i1 %cmp, label %if.then, label %if.end 117 118if.then: ; preds = %entry 119 %conv2 = zext i8 %xor to i32 120 %add = add nsw i32 %conv2, %ll 121 store i32 %add, i32* %p, align 4 122 br label %if.end 123 124if.end: ; preds = %if.then, %entry 125 tail call void @foo() 126 ret void 127} 128 129