%ext = sext i8 %byte to i32
ret i32 %ext
}
+
+; Test a case where we spill the source of at least one LBR. We want
+; to use LB if possible.
+define void @f10(i32 *%ptr) {
+; CHECK: f10:
+; CHECK: lb {{%r[0-9]+}}, 16{{[37]}}(%r15)
+; CHECK: br %r14
+ %val0 = load volatile i32 *%ptr
+ %val1 = load volatile i32 *%ptr
+ %val2 = load volatile i32 *%ptr
+ %val3 = load volatile i32 *%ptr
+ %val4 = load volatile i32 *%ptr
+ %val5 = load volatile i32 *%ptr
+ %val6 = load volatile i32 *%ptr
+ %val7 = load volatile i32 *%ptr
+ %val8 = load volatile i32 *%ptr
+ %val9 = load volatile i32 *%ptr
+ %val10 = load volatile i32 *%ptr
+ %val11 = load volatile i32 *%ptr
+ %val12 = load volatile i32 *%ptr
+ %val13 = load volatile i32 *%ptr
+ %val14 = load volatile i32 *%ptr
+ %val15 = load volatile i32 *%ptr
+
+ %trunc0 = trunc i32 %val0 to i8
+ %trunc1 = trunc i32 %val1 to i8
+ %trunc2 = trunc i32 %val2 to i8
+ %trunc3 = trunc i32 %val3 to i8
+ %trunc4 = trunc i32 %val4 to i8
+ %trunc5 = trunc i32 %val5 to i8
+ %trunc6 = trunc i32 %val6 to i8
+ %trunc7 = trunc i32 %val7 to i8
+ %trunc8 = trunc i32 %val8 to i8
+ %trunc9 = trunc i32 %val9 to i8
+ %trunc10 = trunc i32 %val10 to i8
+ %trunc11 = trunc i32 %val11 to i8
+ %trunc12 = trunc i32 %val12 to i8
+ %trunc13 = trunc i32 %val13 to i8
+ %trunc14 = trunc i32 %val14 to i8
+ %trunc15 = trunc i32 %val15 to i8
+
+ %ext0 = sext i8 %trunc0 to i32
+ %ext1 = sext i8 %trunc1 to i32
+ %ext2 = sext i8 %trunc2 to i32
+ %ext3 = sext i8 %trunc3 to i32
+ %ext4 = sext i8 %trunc4 to i32
+ %ext5 = sext i8 %trunc5 to i32
+ %ext6 = sext i8 %trunc6 to i32
+ %ext7 = sext i8 %trunc7 to i32
+ %ext8 = sext i8 %trunc8 to i32
+ %ext9 = sext i8 %trunc9 to i32
+ %ext10 = sext i8 %trunc10 to i32
+ %ext11 = sext i8 %trunc11 to i32
+ %ext12 = sext i8 %trunc12 to i32
+ %ext13 = sext i8 %trunc13 to i32
+ %ext14 = sext i8 %trunc14 to i32
+ %ext15 = sext i8 %trunc15 to i32
+
+ store volatile i32 %val0, i32 *%ptr
+ store volatile i32 %val1, i32 *%ptr
+ store volatile i32 %val2, i32 *%ptr
+ store volatile i32 %val3, i32 *%ptr
+ store volatile i32 %val4, i32 *%ptr
+ store volatile i32 %val5, i32 *%ptr
+ store volatile i32 %val6, i32 *%ptr
+ store volatile i32 %val7, i32 *%ptr
+ store volatile i32 %val8, i32 *%ptr
+ store volatile i32 %val9, i32 *%ptr
+ store volatile i32 %val10, i32 *%ptr
+ store volatile i32 %val11, i32 *%ptr
+ store volatile i32 %val12, i32 *%ptr
+ store volatile i32 %val13, i32 *%ptr
+ store volatile i32 %val14, i32 *%ptr
+ store volatile i32 %val15, i32 *%ptr
+
+ store volatile i32 %ext0, i32 *%ptr
+ store volatile i32 %ext1, i32 *%ptr
+ store volatile i32 %ext2, i32 *%ptr
+ store volatile i32 %ext3, i32 *%ptr
+ store volatile i32 %ext4, i32 *%ptr
+ store volatile i32 %ext5, i32 *%ptr
+ store volatile i32 %ext6, i32 *%ptr
+ store volatile i32 %ext7, i32 *%ptr
+ store volatile i32 %ext8, i32 *%ptr
+ store volatile i32 %ext9, i32 *%ptr
+ store volatile i32 %ext10, i32 *%ptr
+ store volatile i32 %ext11, i32 *%ptr
+ store volatile i32 %ext12, i32 *%ptr
+ store volatile i32 %ext13, i32 *%ptr
+ store volatile i32 %ext14, i32 *%ptr
+ store volatile i32 %ext15, i32 *%ptr
+
+ ret void
+}