declare void @bar()
-define void @test1(i32* nocapture %X) nounwind {
+define void @test1(i32* nocapture %X) nounwind minsize {
entry:
- %tmp1 = load i32* %X, align 4
+ %tmp1 = load i32, i32* %X, align 4
%and = and i32 %tmp1, 255
%cmp = icmp eq i32 %and, 47
br i1 %cmp, label %if.then, label %if.end
if.end:
ret void
-; CHECK: test1:
-; CHECK: cmpb $47, (%rdi)
+; CHECK-LABEL: test1:
+; CHECK: cmpb $47, (%{{rdi|rcx}})
}
-define void @test2(i32 %X) nounwind {
+define void @test2(i32 %X) nounwind minsize {
entry:
%and = and i32 %X, 255
%cmp = icmp eq i32 %and, 47
if.end:
ret void
-; CHECK: test2:
-; CHECK: cmpb $47, %dil
+; CHECK-LABEL: test2:
+; CHECK: cmpb $47, %{{dil|cl}}
+}
+
+define void @test3(i32 %X) nounwind minsize {
+entry:
+ %and = and i32 %X, 255
+ %cmp = icmp eq i32 %and, 255
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+; CHECK-LABEL: test3:
+; CHECK: cmpb $-1, %{{dil|cl}}
+}
+
+; PR16083
+define i1 @test4(i64 %a, i32 %b) {
+entry:
+ %tobool = icmp ne i32 %b, 0
+ br i1 %tobool, label %lor.end, label %lor.rhs
+
+lor.rhs: ; preds = %entry
+ %and = and i64 0, %a
+ %tobool1 = icmp ne i64 %and, 0
+ br label %lor.end
+
+lor.end: ; preds = %lor.rhs, %entry
+ %p = phi i1 [ true, %entry ], [ %tobool1, %lor.rhs ]
+ ret i1 %p
+}
+
+@x = global { i8, i8, i8, i8, i8, i8, i8, i8 } { i8 1, i8 0, i8 0, i8 0, i8 1, i8 0, i8 0, i8 1 }, align 4
+
+; PR16551
+define void @test5(i32 %X) nounwind minsize {
+entry:
+ %bf.load = load i56, i56* bitcast ({ i8, i8, i8, i8, i8, i8, i8, i8 }* @x to i56*), align 4
+ %bf.lshr = lshr i56 %bf.load, 32
+ %bf.cast = trunc i56 %bf.lshr to i32
+ %cmp = icmp ne i32 %bf.cast, 1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+
+; CHECK-LABEL: test5:
+; CHECK-NOT: cmpl $1,{{.*}}x+4
+; CHECK: ret
+}
+
+; CHECK-LABEL: test2_1:
+; CHECK: movzbl
+; CHECK: cmpl $256
+; CHECK: jne
+define void @test2_1(i32 %X) nounwind minsize {
+entry:
+ %and = and i32 %X, 255
+ %cmp = icmp eq i32 %and, 256
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_1:
+; CHECK: cmpb $1, %{{dil|cl}}
+define void @test_sext_i8_icmp_1(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, 1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_47:
+; CHECK: cmpb $47, %{{dil|cl}}
+define void @test_sext_i8_icmp_47(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, 47
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_127:
+; CHECK: cmpb $127, %{{dil|cl}}
+define void @test_sext_i8_icmp_127(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, 127
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_neg1:
+; CHECK: cmpb $-1, %{{dil|cl}}
+define void @test_sext_i8_icmp_neg1(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, -1
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_neg2:
+; CHECK: cmpb $-2, %{{dil|cl}}
+define void @test_sext_i8_icmp_neg2(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, -2
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_neg127:
+; CHECK: cmpb $-127, %{{dil|cl}}
+define void @test_sext_i8_icmp_neg127(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, -127
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_neg128:
+; CHECK: cmpb $-128, %{{dil|cl}}
+define void @test_sext_i8_icmp_neg128(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, -128
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
+}
+
+; CHECK-LABEL: test_sext_i8_icmp_255:
+; CHECK: movb $1,
+; CHECK: testb
+; CHECK: jne
+define void @test_sext_i8_icmp_255(i8 %x) nounwind minsize {
+entry:
+ %sext = sext i8 %x to i32
+ %cmp = icmp eq i32 %sext, 255
+ br i1 %cmp, label %if.then, label %if.end
+
+if.then:
+ tail call void @bar() nounwind
+ br label %if.end
+
+if.end:
+ ret void
}