[FastISel][X86] Refactor the code to get the X86 condition from a helper function. NFC.
Make use of helper functions to simplify the branch and compare instruction
selection in FastISel. Also add test cases for compare and conditonal branch.
llvm-svn: 211077
diff --git a/llvm/test/CodeGen/X86/fast-isel-cmp.ll b/llvm/test/CodeGen/X86/fast-isel-cmp.ll
new file mode 100644
index 0000000..edf1263
--- /dev/null
+++ b/llvm/test/CodeGen/X86/fast-isel-cmp.ll
@@ -0,0 +1,272 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s --check-prefix=SDAG
+; RUN: llc < %s -fast-isel -fast-isel-abort -mtriple=x86_64-apple-darwin10 | FileCheck %s --check-prefix=FAST
+
+define zeroext i1 @fcmp_oeq(float %x, float %y) {
+; SDAG-LABEL: fcmp_oeq
+; SDAG: cmpeqss %xmm1, %xmm0
+; SDAG-NEXT: movd %xmm0, %eax
+; SDAG-NEXT: andl $1, %eax
+; FAST-LABEL: fcmp_oeq
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: sete %al
+; FAST-NEXT: setnp %cl
+; FAST-NEXT: andb %al, %cl
+ %1 = fcmp oeq float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ogt(float %x, float %y) {
+; SDAG-LABEL: fcmp_ogt
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: seta %al
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: seta %al
+ %1 = fcmp ogt float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_oge(float %x, float %y) {
+; SDAG-LABEL: fcmp_oge
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setae %al
+; FAST-LABEL: fcmp_oge
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setae %al
+ %1 = fcmp oge float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_olt(float %x, float %y) {
+; SDAG-LABEL: fcmp_olt
+; SDAG: ucomiss %xmm0, %xmm1
+; SDAG-NEXT: seta %al
+; FAST-LABEL: fcmp_olt
+; FAST: ucomiss %xmm0, %xmm1
+; FAST-NEXT: seta %al
+ %1 = fcmp olt float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ole(float %x, float %y) {
+; SDAG-LABEL: fcmp_ole
+; SDAG: ucomiss %xmm0, %xmm1
+; SDAG-NEXT: setae %al
+; FAST-LABEL: fcmp_ole
+; FAST: ucomiss %xmm0, %xmm1
+; FAST-NEXT: setae %al
+ %1 = fcmp ole float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_one(float %x, float %y) {
+; SDAG-LABEL: fcmp_one
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setne %al
+; FAST-LABEL: fcmp_one
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setne %al
+ %1 = fcmp one float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ord(float %x, float %y) {
+; SDAG-LABEL: fcmp_ord
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setnp %al
+; FAST-LABEL: fcmp_ord
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setnp %al
+ %1 = fcmp ord float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_uno(float %x, float %y) {
+; SDAG-LABEL: fcmp_uno
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setp %al
+; FAST-LABEL: fcmp_uno
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setp %al
+ %1 = fcmp uno float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ueq(float %x, float %y) {
+; SDAG-LABEL: fcmp_ueq
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: sete %al
+; FAST-LABEL: fcmp_ueq
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: sete %al
+ %1 = fcmp ueq float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ugt(float %x, float %y) {
+; SDAG-LABEL: fcmp_ugt
+; SDAG: ucomiss %xmm0, %xmm1
+; SDAG-NEXT: setb %al
+; FAST-LABEL: fcmp_ugt
+; FAST: ucomiss %xmm0, %xmm1
+; FAST-NEXT: setb %al
+ %1 = fcmp ugt float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_uge(float %x, float %y) {
+; SDAG-LABEL: fcmp_uge
+; SDAG: ucomiss %xmm0, %xmm1
+; SDAG-NEXT: setbe %al
+; FAST-LABEL: fcmp_uge
+; FAST: ucomiss %xmm0, %xmm1
+; FAST-NEXT: setbe %al
+ %1 = fcmp uge float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ult(float %x, float %y) {
+; SDAG-LABEL: fcmp_ult
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setb %al
+; FAST-LABEL: fcmp_ult
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setb %al
+ %1 = fcmp ult float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_ule(float %x, float %y) {
+; SDAG-LABEL: fcmp_ule
+; SDAG: ucomiss %xmm1, %xmm0
+; SDAG-NEXT: setbe %al
+; FAST-LABEL: fcmp_ule
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setbe %al
+ %1 = fcmp ule float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @fcmp_une(float %x, float %y) {
+; SDAG-LABEL: fcmp_une
+; SDAG: cmpneqss %xmm1, %xmm0
+; SDAG-NEXT: movd %xmm0, %eax
+; SDAG-NEXT: andl $1, %eax
+; FAST-LABEL: fcmp_une
+; FAST: ucomiss %xmm1, %xmm0
+; FAST-NEXT: setne %al
+; FAST-NEXT: setp %cl
+; FAST-NEXT: andb %al, %cl
+ %1 = fcmp une float %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_eq(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_eq
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: sete %al
+; FAST-LABEL: icmp_eq
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: sete %al
+ %1 = icmp eq i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_ne(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_ne
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setne %al
+; FAST-LABEL: icmp_ne
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setne %al
+ %1 = icmp ne i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_ugt(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_ugt
+; SDAG: cmpl %edi, %esi
+; SDAG-NEXT: setb %al
+; FAST-LABEL: icmp_ugt
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: seta %al
+ %1 = icmp ugt i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_uge(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_uge
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setae %al
+; FAST-LABEL: icmp_uge
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setae %al
+ %1 = icmp uge i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_ult(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_ult
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setb %al
+; FAST-LABEL: icmp_ult
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setb %al
+ %1 = icmp ult i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_ule(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_ule
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setbe %al
+; FAST-LABEL: icmp_ule
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setbe %al
+ %1 = icmp ule i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_sgt(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_sgt
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setg %al
+; FAST-LABEL: icmp_sgt
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setg %al
+ %1 = icmp sgt i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_sge(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_sge
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setge %al
+; FAST-LABEL: icmp_sge
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setge %al
+ %1 = icmp sge i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_slt(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_slt
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setl %al
+; FAST-LABEL: icmp_slt
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setl %al
+ %1 = icmp slt i32 %x, %y
+ ret i1 %1
+}
+
+define zeroext i1 @icmp_sle(i32 %x, i32 %y) {
+; SDAG-LABEL: icmp_sle
+; SDAG: cmpl %esi, %edi
+; SDAG-NEXT: setle %al
+; FAST-LABEL: icmp_sle
+; FAST: cmpl %esi, %edi
+; FAST-NEXT: setle %al
+ %1 = icmp sle i32 %x, %y
+ ret i1 %1
+}
+