call void asm sideeffect "stepd $0", "r"(i32 %add3)
ret void
}
+
+; Test large immediate comparison involving high registers.
+define i32 @f31() {
+; CHECK-LABEL: f31:
+; CHECK: stepa [[REG1:%r[0-5]]]
+; CHECK: cih [[REG1]], 1000000000
+; CHECK: stepb [[REG2:%r[0-5]]]
+; CHECK: clih [[REG2]], 1000000000
+; CHECK: br %r14
+ %res1 = call i32 asm "stepa $0", "=h"()
+ %cmp1 = icmp sle i32 %res1, 1000000000
+ %sel1 = select i1 %cmp1, i32 0, i32 1
+ %res2 = call i32 asm "stepb $0, $1", "=h,r"(i32 %sel1)
+ %cmp2 = icmp ule i32 %res2, 1000000000
+ %sel2 = select i1 %cmp2, i32 0, i32 1
+ ret i32 %sel2
+}
+
+; Test large immediate comparison involving low registers.
+define i32 @f32() {
+; CHECK-LABEL: f32:
+; CHECK: stepa [[REG1:%r[0-5]]]
+; CHECK: cfi [[REG1]], 1000000000
+; CHECK: stepb [[REG2:%r[0-5]]]
+; CHECK: clfi [[REG2]], 1000000000
+; CHECK: br %r14
+ %res1 = call i32 asm "stepa $0", "=r"()
+ %cmp1 = icmp sle i32 %res1, 1000000000
+ %sel1 = select i1 %cmp1, i32 0, i32 1
+ %res2 = call i32 asm "stepb $0, $1", "=r,r"(i32 %sel1)
+ %cmp2 = icmp ule i32 %res2, 1000000000
+ %sel2 = select i1 %cmp2, i32 0, i32 1
+ ret i32 %sel2
+}
+
+; Test memory comparison involving high registers.
+define void @f33(i32 *%ptr1, i32 *%ptr2) {
+; CHECK-LABEL: f33:
+; CHECK: stepa [[REG1:%r[0-5]]]
+; CHECK: chf [[REG1]], 0(%r2)
+; CHECK: stepb [[REG2:%r[0-5]]]
+; CHECK: clhf [[REG2]], 0(%r3)
+; CHECK: br %r14
+ %res1 = call i32 asm "stepa $0", "=h"()
+ %load1 = load i32 *%ptr1
+ %cmp1 = icmp sle i32 %res1, %load1
+ %sel1 = select i1 %cmp1, i32 0, i32 1
+ %res2 = call i32 asm "stepb $0, $1", "=h,r"(i32 %sel1)
+ %load2 = load i32 *%ptr2
+ %cmp2 = icmp ule i32 %res2, %load2
+ %sel2 = select i1 %cmp2, i32 0, i32 1
+ store i32 %sel2, i32 *%ptr1
+ ret void
+}
+
+; Test memory comparison involving low registers.
+define void @f34(i32 *%ptr1, i32 *%ptr2) {
+; CHECK-LABEL: f34:
+; CHECK: stepa [[REG1:%r[0-5]]]
+; CHECK: c [[REG1]], 0(%r2)
+; CHECK: stepb [[REG2:%r[0-5]]]
+; CHECK: cl [[REG2]], 0(%r3)
+; CHECK: br %r14
+ %res1 = call i32 asm "stepa $0", "=r"()
+ %load1 = load i32 *%ptr1
+ %cmp1 = icmp sle i32 %res1, %load1
+ %sel1 = select i1 %cmp1, i32 0, i32 1
+ %res2 = call i32 asm "stepb $0, $1", "=r,r"(i32 %sel1)
+ %load2 = load i32 *%ptr2
+ %cmp2 = icmp ule i32 %res2, %load2
+ %sel2 = select i1 %cmp2, i32 0, i32 1
+ store i32 %sel2, i32 *%ptr1
+ ret void
+}