; CHECK: ret i1 false
}
+define i1 @bitcast() {
+; CHECK: @bitcast
+ %a = alloca i32
+ %b = alloca i64
+ %x = bitcast i32* %a to i8*
+ %y = bitcast i64* %b to i8*
+ %cmp = icmp eq i8* %x, %y
+ ret i1 %cmp
+; CHECK-NEXT: ret i1 false
+}
+
+define i1 @gep() {
+; CHECK: @gep
+ %a = alloca [3 x i8], align 8
+ %x = getelementptr inbounds [3 x i8]* %a, i32 0, i32 0
+ %cmp = icmp eq i8* %x, null
+ ret i1 %cmp
+; CHECK-NEXT: ret i1 false
+}
+
+define i1 @gep2() {
+; CHECK: @gep2
+ %a = alloca [3 x i8], align 8
+ %x = getelementptr inbounds [3 x i8]* %a, i32 0, i32 0
+ %y = getelementptr inbounds [3 x i8]* %a, i32 0, i32 0
+ %cmp = icmp eq i8* %x, %y
+ ret i1 %cmp
+; CHECK-NEXT: ret i1 true
+}
+
define i1 @zext(i32 %x) {
; CHECK: @zext
%e1 = zext i32 %x to i64
; CHECK: ret i1 %cond
}
+define i1 @select5(i32 %x) {
+; CHECK: @select5
+ %c = icmp eq i32 %x, 0
+ %s = select i1 %c, i32 1, i32 %x
+ %c2 = icmp eq i32 %s, 0
+ ret i1 %c2
+; CHECK: ret i1 false
+}
+
+define i1 @select6(i32 %x) {
+; CHECK: @select6
+ %c = icmp sgt i32 %x, 0
+ %s = select i1 %c, i32 %x, i32 4
+ %c2 = icmp eq i32 %s, 0
+ ret i1 %c2
+; CHECK: ret i1 %c2
+}
+
define i1 @urem1(i32 %X, i32 %Y) {
; CHECK: @urem1
%A = urem i32 %X, %Y
; CHECK: ret i1 false
}
+; PR11340
+define i1 @udiv6(i32 %X) nounwind {
+; CHECK: @udiv6
+ %A = udiv i32 1, %X
+ %C = icmp eq i32 %A, 0
+ ret i1 %C
+; CHECK: ret i1 %C
+}
+
+
define i1 @sdiv1(i32 %X) {
; CHECK: @sdiv1
%A = sdiv i32 %X, 1000000
ret i1 %C
; CHECK: ret i1 true
}
+
+define <2 x i1> @vectorselect1(<2 x i1> %cond) {
+; CHECK: @vectorselect1
+ %invert = xor <2 x i1> %cond, <i1 1, i1 1>
+ %s = select <2 x i1> %invert, <2 x i32> <i32 0, i32 0>, <2 x i32> <i32 1, i32 1>
+ %c = icmp ne <2 x i32> %s, <i32 0, i32 0>
+ ret <2 x i1> %c
+; CHECK: ret <2 x i1> %cond
+}
+
+; PR11948
+define <2 x i1> @vectorselectcrash(i32 %arg1) {
+ %tobool40 = icmp ne i32 %arg1, 0
+ %cond43 = select i1 %tobool40, <2 x i16> <i16 -5, i16 66>, <2 x i16> <i16 46, i16 1>
+ %cmp45 = icmp ugt <2 x i16> %cond43, <i16 73, i16 21>
+ ret <2 x i1> %cmp45
+}
+
+; PR12013
+define i1 @alloca_compare(i64 %idx) {
+ %sv = alloca { i32, i32, [124 x i32] }
+ %1 = getelementptr inbounds { i32, i32, [124 x i32] }* %sv, i32 0, i32 2, i64 %idx
+ %2 = icmp eq i32* %1, null
+ ret i1 %2
+ ; CHECK: alloca_compare
+ ; CHECK: ret i1 false
+}
+
+; PR12075
+define i1 @infinite_gep() {
+ ret i1 1
+
+unreachableblock:
+ %X = getelementptr i32 *%X, i32 1
+ %Y = icmp eq i32* %X, null
+ ret i1 %Y
+}