-; RUN: llvm-as %s -o /dev/null -f
+; RUN: llc -mtriple=arm-apple-darwin %s -o - | FileCheck %s
-int %f(int %a) {
+; RUN: llc -mtriple=arm-eabi -mattr=+vfp2 %s -o - \
+; RUN: | FileCheck %s --check-prefix=CHECK-VFP
+
+; RUN: llc -mtriple=thumbv7-apple-darwin -mattr=+neon,+thumb2 %s -o - \
+; RUN: | FileCheck %s --check-prefix=CHECK-NEON
+
+define i32 @f1(i32 %a.s) {
+;CHECK-LABEL: f1:
+;CHECK: moveq
+entry:
+ %tmp = icmp eq i32 %a.s, 4
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define i32 @f2(i32 %a.s) {
+;CHECK-LABEL: f2:
+;CHECK: movgt
+entry:
+ %tmp = icmp sgt i32 %a.s, 4
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define i32 @f3(i32 %a.s, i32 %b.s) {
+;CHECK-LABEL: f3:
+;CHECK: movlt
+entry:
+ %tmp = icmp slt i32 %a.s, %b.s
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define i32 @f4(i32 %a.s, i32 %b.s) {
+;CHECK-LABEL: f4:
+;CHECK: movle
+entry:
+ %tmp = icmp sle i32 %a.s, %b.s
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define i32 @f5(i32 %a.u, i32 %b.u) {
+;CHECK-LABEL: f5:
+;CHECK: movls
+entry:
+ %tmp = icmp ule i32 %a.u, %b.u
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define i32 @f6(i32 %a.u, i32 %b.u) {
+;CHECK-LABEL: f6:
+;CHECK: movhi
entry:
- %tmp = seteq int %a, 4 ; <bool> [#uses=1]
- br bool %tmp, label %cond_false, label %cond_true
+ %tmp = icmp ugt i32 %a.u, %b.u
+ %tmp1.s = select i1 %tmp, i32 2, i32 3
+ ret i32 %tmp1.s
+}
+
+define double @f7(double %a, double %b) {
+;CHECK-LABEL: f7:
+;CHECK: movlt
+;CHECK: movge
+;CHECK-VFP-LABEL: f7:
+;CHECK-VFP: vmovmi
+ %tmp = fcmp olt double %a, 1.234e+00
+ %tmp1 = select i1 %tmp, double -1.000e+00, double %b
+ ret double %tmp1
+}
+
+; <rdar://problem/7260094>
+;
+; We used to generate really horrible code for this function. The main cause was
+; a lack of a custom lowering routine for an ISD::SELECT. This would result in
+; two "it" blocks in the code: one for the "icmp" and another to move the index
+; into the constant pool based on the value of the "icmp". If we have one "it"
+; block generated, odds are good that we have close to the ideal code for this:
+;
+; CHECK-NEON-LABEL: f8:
+; CHECK-NEON: movw [[R3:r[0-9]+]], #1123
+; CHECK-NEON: adr [[R2:r[0-9]+]], LCPI7_0
+; CHECK-NEON-NEXT: cmp r0, [[R3]]
+; CHECK-NEON-NEXT: it eq
+; CHECK-NEON-NEXT: addeq{{.*}} [[R2]], #4
+; CHECK-NEON-NEXT: ldr
+; CHECK-NEON: bx
-cond_true: ; preds = %entry
- br label %return
+define arm_apcscc float @f8(i32 %a) nounwind {
+ %tmp = icmp eq i32 %a, 1123
+ %tmp1 = select i1 %tmp, float 0x3FF3BE76C0000000, float 0x40030E9A20000000
+ ret float %tmp1
+}
-cond_false: ; preds = %entry
- br label %return
+; <rdar://problem/9049552>
+; Glue values can only have a single use, but the following test exposed a
+; case where a SELECT was lowered with 2 uses of a comparison, causing the
+; scheduler to assert.
+; CHECK-VFP-LABEL: f9:
-return: ; preds = %cond_false, %cond_true
- %retval.0 = phi int [ 2, %cond_true ], [ 3, %cond_false ] ; <int> [#uses=1]
- ret int %retval.0
+declare i8* @objc_msgSend(i8*, i8*, ...)
+define void @f9() optsize {
+entry:
+ %cmp = icmp eq i8* undef, inttoptr (i32 4 to i8*)
+ %conv191 = select i1 %cmp, float -3.000000e+00, float 0.000000e+00
+ %conv195 = select i1 %cmp, double -1.000000e+00, double 0.000000e+00
+ %add = fadd double %conv195, 1.100000e+01
+ %conv196 = fptrunc double %add to float
+ %add201 = fadd float undef, %conv191
+ %tmp484 = bitcast float %conv196 to i32
+ %tmp478 = bitcast float %add201 to i32
+ %tmp490 = insertvalue [2 x i32] undef, i32 %tmp484, 0
+ %tmp493 = insertvalue [2 x i32] %tmp490, i32 %tmp478, 1
+ call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, [2 x i32], i32, float)*)(i8* undef, i8* undef, [2 x i32] %tmp493, i32 0, float 1.000000e+00) optsize
+ ret void
}
+
+; CHECK-LABEL: f10:
+define float @f10(i32 %a, i32 %b) nounwind uwtable readnone ssp {
+; CHECK-NOT: floatsisf
+ %1 = icmp eq i32 %a, %b
+ %2 = zext i1 %1 to i32
+ %3 = sitofp i32 %2 to float
+ ret float %3
+}
+
+; CHECK-LABEL: f11:
+define float @f11(i32 %a, i32 %b) nounwind uwtable readnone ssp {
+; CHECK-NOT: floatsisf
+ %1 = icmp eq i32 %a, %b
+ %2 = sitofp i1 %1 to float
+ ret float %2
+}
+
+; CHECK-LABEL: f12:
+define float @f12(i32 %a, i32 %b) nounwind uwtable readnone ssp {
+; CHECK-NOT: floatunsisf
+ %1 = icmp eq i32 %a, %b
+ %2 = uitofp i1 %1 to float
+ ret float %2
+}
+
projects / oota-llvm.git / blobdiff