1 files changed, 614 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/aix_cc_abi.ll b/llvm/test/CodeGen/PowerPC/aix_cc_abi.ll
new file mode 100644
index 00000000000..b15b63b166f
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/aix_cc_abi.ll
@@ -0,0 +1,614 @@
+; RUN: llc -mtriple powerpc-ibm-aix-xcoff -stop-after=machine-cp -verify-machineinstrs < %s | \
+; RUN: FileCheck --check-prefixes=CHECK,32BIT %s
+
+; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -stop-after=machine-cp -verify-machineinstrs < %s | \
+; RUN: FileCheck --check-prefixes=CHECK,64BIT %s
+
+define void @call_test_chars() {
+entry:
+  call i8 @test_chars(i8 signext 97, i8 signext 97, i8 signext 97, i8 signext 97)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_chars
+
+; 32BIT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT: $r3 = LI 97
+; 32BIT: $r4 = LI 97
+; 32BIT: $r5 = LI 97
+; 32BIT: $r6 = LI 97
+; 32BIT: BL_NOP <mcsymbol .test_chars>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit killed $r3, implicit killed $r4, implicit killed $r5, implicit killed $r6, implicit $r2, implicit-def $r1
+; 32BIT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: $x3 = LI8 97
+; 64BIT: $x4 = LI8 97
+; 64BIT: $x5 = LI8 97
+; 64BIT: $x6 = LI8 97
+; 64BIT: BL8_NOP <mcsymbol .test_chars>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit killed $x4, implicit killed $x5, implicit killed $x6, implicit $x2, implicit-def $r1
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define signext i8 @test_chars(i8 signext %c1, i8 signext %c2, i8 signext %c3, i8 signext %c4) {
+entry:
+  %conv = sext i8 %c1 to i32
+  %conv1 = sext i8 %c2 to i32
+  %add = add nsw i32 %conv, %conv1
+  %conv2 = sext i8 %c3 to i32
+  %add3 = add nsw i32 %add, %conv2
+  %conv4 = sext i8 %c4 to i32
+  %add5 = add nsw i32 %add3, %conv4
+  %conv6 = trunc i32 %add5 to i8
+  ret i8 %conv6
+}
+
+; CHECK-LABEL: name: test_chars
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r5', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r6', virtual-reg: '' }
+; 32BIT:       body:
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6
+ 
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x5', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x6', virtual-reg: '' }
+; 64BIT:       body:
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3, $x4, $x5, $x6
+
+define void @call_test_chars_mix() {
+entry:
+  call i8 @test_chars_mix(i8 signext 97, i8 zeroext -31, i8 zeroext 97, i8 signext -31)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_chars_mix
+
+; 32BIT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT: $r3 = LI 97
+; 32BIT: $r4 = LI 225
+; 32BIT: $r5 = LI 97
+; 32BIT: $r6 = LI -31
+; 32BIT: BL_NOP <mcsymbol .test_chars_mix>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit killed $r3, implicit killed $r4, implicit killed $r5, implicit killed $r6, implicit $r2, implicit-def $r1
+; 32BIT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: $x3 = LI8 97
+; 64BIT: $x4 = LI8 225
+; 64BIT: $x5 = LI8 97
+; 64BIT: $x6 = LI8 -31
+; 64BIT: BL8_NOP <mcsymbol .test_chars_mix>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit killed $x4, implicit killed $x5, implicit killed $x6, implicit $x2, implicit-def $r1
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define signext i8 @test_chars_mix(i8 signext %c1, i8 zeroext %c2, i8 zeroext %c3, i8 signext %c4) {
+entry:
+  %conv = sext i8 %c1 to i32
+  %conv1 = zext i8 %c2 to i32
+  %add = add nsw i32 %conv, %conv1
+  %conv2 = zext i8 %c3 to i32
+  %add3 = add nsw i32 %add, %conv2
+  %conv4 = sext i8 %c4 to i32
+  %add5 = add nsw i32 %add3, %conv4
+  %conv6 = trunc i32 %add5 to i8
+  ret i8 %conv6
+}
+
+; CHECK-LABEL: name: test_chars_mix
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r5', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r6', virtual-reg: '' }
+; 32BIT:       body:
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6
+ 
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x5', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x6', virtual-reg: '' }
+; 64BIT:       body:
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3, $x4, $x5, $x6
+
+@global_i1 = global i8 0, align 1
+
+define  void @test_i1(i1 %b)  {
+  entry:
+   %frombool = zext i1 %b to i8
+   store i8 %frombool, i8* @global_i1, align 1
+   ret void
+}
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT:       body:             |
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3
+; 32BIT:           renamable $r3 = RLWINM killed renamable $r3, 0, 31, 31
+; 32BIT-NEXT:      STB killed renamable $r3, 0, killed renamable $r4 :: (store 1 into @global_i1)
+
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT:       body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3
+; 64BIT:           renamable $r[[REG1:[0-9]+]] = RLWINM renamable $r[[REG1]], 0, 31, 31, implicit killed $x3
+; 64BIT-NEXT:      STB killed renamable $r[[REG1]], 0, killed renamable $x4 :: (store 1 into @global_i1)
+
+define void @call_test_i1() {
+entry:
+  call void @test_i1(i1 1)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_i1
+
+; 32BIT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT: $r3 = LI 1
+; 32BIT: BL_NOP <mcsymbol .test_i1>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit killed $r3, implicit $r2, implicit-def $r1
+; 32BIT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: $x3 = LI8 1
+; 64BIT: BL8_NOP <mcsymbol .test_i1>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit $x2, implicit-def $r1
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define void @test_i1zext(i1 zeroext %b) {
+  entry:
+    %frombool = zext i1 %b to i8 
+    store i8 %frombool, i8 * @global_i1, align 1 
+    ret void 
+  }
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT:       body:             |
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3
+; CHECK-NOT:       RLWINM 
+; 32BIT:           STB killed renamable $r3, 0, killed renamable $r4 :: (store 1 into @global_i1)
+
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT:       body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3
+; CHECK-NOT:       RLWINM
+; 64BIT:           STB8 killed renamable $x3, 0, killed renamable $x4 :: (store 1 into @global_i1)
+
+define i32 @test_ints(i32 signext %a, i32 zeroext %b, i32 zeroext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h) {
+entry:
+    %add = add i32 %a, %b
+    %add1 = add i32 %add, %c
+    %add2 = add i32 %add1, %d
+    %add3 = add i32 %add2, %e
+    %add4 = add i32 %add3, %f
+    %add5 = add i32 %add4, %g
+    %add6 = add i32 %add5, %h
+    ret i32 %add6
+}
+
+; CHECK-LABEL: name: test_ints
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r5', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r6', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r7', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r8', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r9', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r10', virtual-reg: '' }
+; 32BIT:       body:             |
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10
+
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x5', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x6', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x7', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x8', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x9', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x10', virtual-reg: '' }
+; 64BIT:       body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10
+
+define void @call_test_ints() {
+entry:
+  call i32 @test_ints(i32 signext 1, i32 zeroext 1, i32 zeroext 2147483648, i32 signext -2147483648, i32 signext 1, i32 signext 1, i32 signext 1, i32 signext 1)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_ints
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: renamable $x3 = LI8 1
+; 64BIT: renamable $x5 = RLDICR killed renamable $x3, 31, 32
+; 64BIT: $x3 = LI8 1
+; 64BIT: $x4 = LI8 1
+; 64BIT: $x6 = LIS8 32768
+; 64BIT: $x7 = LI8 1
+; 64BIT: $x8 = LI8 1
+; 64BIT: $x9 = LI8 1
+; 64BIT: $x10 = LI8 1
+; 64BIT:  BL8_NOP <mcsymbol .test_ints>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit killed $x4, implicit $x5, implicit killed $x6, implicit killed $x7, implicit killed $x8, implicit killed $x9, implicit killed $x10, implicit $x2, implicit-def $r1, implicit-def dead $x3
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define void @call_test_i64() {
+entry:
+  call i64 @test_i64(i64 1, i64 2, i64 3, i64 4)
+  ret void
+}
+
+
+; CHECK-LABEL: name: call_test_i64
+
+; 32BIT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT: $r3 = LI 0
+; 32BIT: $r4 = LI 1
+; 32BIT: $r5 = LI 0
+; 32BIT: $r6 = LI 2
+; 32BIT: $r7 = LI 0
+; 32BIT: $r8 = LI 3
+; 32BIT: $r9 = LI 0
+; 32BIT: $r10 = LI 4
+; 32BIT: BL_NOP <mcsymbol .test_i64>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit killed $r3, implicit killed $r4, implicit killed $r5, implicit killed $r6, implicit killed $r7, implicit killed $r8, implicit killed $r9, implicit killed $r10, implicit $r2, implicit-def $r1
+; 32BIT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: $x3 = LI8 1
+; 64BIT: $x4 = LI8 2
+; 64BIT: $x5 = LI8 3
+; 64BIT: $x6 = LI8 4
+; 64BIT: BL8_NOP <mcsymbol .test_i64>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit killed $x3, implicit killed $x4, implicit killed $x5, implicit killed $x6, implicit $x2, implicit-def $r1
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define i64 @test_i64(i64 %a, i64 %b, i64 %c, i64 %d) {
+entry:
+  %add = add nsw i64 %a, %b
+  %add1 = add nsw i64 %add, %c
+  %add2 = add nsw i64 %add1, %d
+  ret i64 %add2
+}
+
+; CHECK-LABEL: name: test_i64
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r5', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r6', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r7', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r8', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r9', virtual-reg: '' }
+; 32BIT-NEXT:  - { reg: '$r10', virtual-reg: '' }
+; 32BIT:       body:             |
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10
+
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x5', virtual-reg: '' }
+; 64BIT-NEXT:  - { reg: '$x6', virtual-reg: '' }
+; 64BIT:       body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3, $x4, $x5, $x6
+
+define void @call_test_int_ptr() {
+entry:
+  %b = alloca i32, align 4
+  store i32 0, i32* %b, align 4
+  call void @test_int_ptr(i32* %b)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_int_ptr
+
+; 32BIT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT: renamable $r3 = ADDI %stack.0.b, 0
+; 32BIT: BL_NOP <mcsymbol .test_int_ptr>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r2, implicit-def $r1
+; 32BIT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT: renamable $x3 = ADDI8 %stack.0.b, 0
+; 64BIT: BL8_NOP <mcsymbol .test_int_ptr>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x2, implicit-def $r1
+; 64BIT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define void @test_int_ptr(i32* %a) {
+entry:
+  %a.addr = alloca i32*, align 8
+  store i32* %a, i32** %a.addr, align 8
+  ret void
+}
+
+; CHECK-LABEL: name: test_int_ptr
+
+; 32BIT:       liveins:
+; 32BIT-NEXT:  - { reg: '$r3', virtual-reg: '' }
+; 32BIT:       body:             |
+; 32BIT-NEXT:    bb.0.entry:
+; 32BIT-NEXT:      liveins: $r3
+; 32BIT:           STW killed renamable $r3, 0, %stack.0.a.addr :: (store 4 into %ir.a.addr, align 8)
+
+; 64BIT:       liveins:
+; 64BIT-NEXT:  - { reg: '$x3', virtual-reg: '' }
+; 64BIT:       body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:      liveins: $x3
+; 64BIT:           STD killed renamable $x3, 0, %stack.0.a.addr :: (store 8 into %ir.a.addr)
+
+
+define i32 @caller(i32 %i)  {
+entry:
+  %i.addr = alloca i32, align 4
+  %b = alloca i8, align 1
+  store i32 %i, i32* %i.addr, align 4
+  %0 = load i32, i32* %i.addr, align 4
+  %cmp = icmp ne i32 %0, 0
+  %frombool = zext i1 %cmp to i8
+  store i8 %frombool, i8* %b, align 1
+  %1 = load i8, i8* %b, align 1
+  %tobool = trunc i8 %1 to i1
+  %call = call i32 @call_test_bool(i1 zeroext %tobool)
+  ret i32 %call
+}
+
+declare i32 @call_test_bool(i1 zeroext)
+  
+; CHECK-LABEL: name:            caller
+
+; 32BIT:        liveins:
+; 32BIT-NEXT:   - { reg: '$r3', virtual-reg: '' }
+; 32BIT:        body:             |
+; 32BIT-NEXT:   bb.0.entry:
+; 32BIT:         liveins: $r3
+; 32BIT:          ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT:          BL_NOP <mcsymbol .call_test_bool>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r2, implicit-def $r1, implicit-def $r3
+; 32BIT:          ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT:        liveins:
+; 64BIT-NEXT:   - { reg: '$x3', virtual-reg: '' }
+; 64BIT:        body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:     liveins: $x3
+; 64BIT:          ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT:          BL8_NOP <mcsymbol .call_test_bool>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $x3, implicit $x2, implicit-def $r1, implicit-def $x3
+; 64BIT:          ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+@f1 = global float 0.000000e+00, align 4
+@d1 = global double 0.000000e+00, align 8
+
+define void @call_test_floats() {
+entry:
+  %0 = load float, float* @f1, align 4
+  call float @test_floats(float %0, float %0, float %0)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_floats{{.*}}
+
+; 32BIT:      renamable $r3 = LWZtoc @f1, $r2 :: (load 4 from got)
+; 32BIT-NEXT: renamable $f1 = LFS 0, killed renamable $r3 :: (dereferenceable load 4 from @f1)
+; 32BIT-NEXT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-NEXT: $f2 = COPY renamable $f1
+; 32BIT-NEXT: $f3 = COPY renamable $f1
+; 32BIT-NEXT: BL_NOP <mcsymbol .test_floats>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $f1, implicit killed $f2, implicit killed $f3, implicit $r2, implicit-def $r1
+; 32BIT-NEXT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT:      renamable $x3 = LDtoc @f1, $x2 :: (load 8 from got)
+; 64BIT-NEXT: renamable $f1 = LFS 0, killed renamable $x3 :: (dereferenceable load 4 from @f1)
+; 64BIT-NEXT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT: $f2 = COPY renamable $f1
+; 64BIT-NEXT: $f3 = COPY renamable $f1
+; 64BIT-NEXT: BL8_NOP <mcsymbol .test_floats>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit killed $f2, implicit killed $f3, implicit $x2, implicit-def $r1
+; 64BIT-NEXT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define float @test_floats(float %f1, float %f2, float %f3) {
+entry:
+  %add = fadd float %f1, %f2
+  %add1 = fadd float %add, %f3
+  ret float %add1
+}
+
+; CHECK-LABEL: name: test_floats{{.*}}
+
+; CHECK:      liveins:
+; CHECK-NEXT: - { reg: '$f1', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f2', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f3', virtual-reg: '' }
+; CHECK:      body:             |
+; CHECK-NEXT:   bb.0.entry:
+; CHECK-NEXT:     liveins: $f1, $f2, $f3
+
+define void @call_test_fpr_max() {
+entry:
+  %0 = load double, double* @d1, align 8
+  call double @test_fpr_max(double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0, double %0)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_fpr_max{{.*}}
+
+; 32BIT:      renamable $r3 = LWZtoc @d1, $r2 :: (load 4 from got)
+; 32BIT-NEXT: renamable $f1 = LFD 0, killed renamable $r3 :: (dereferenceable load 8 from @d1)
+; 32BIT-NEXT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-NEXT: $f2 = COPY renamable $f1
+; 32BIT-NEXT: $f3 = COPY renamable $f1
+; 32BIT-NEXT: $f4 = COPY renamable $f1
+; 32BIT-NEXT: $f5 = COPY renamable $f1
+; 32BIT-NEXT: $f6 = COPY renamable $f1
+; 32BIT-NEXT: $f7 = COPY renamable $f1
+; 32BIT-NEXT: $f8 = COPY renamable $f1
+; 32BIT-NEXT: $f9 = COPY renamable $f1
+; 32BIT-NEXT: $f10 = COPY renamable $f1
+; 32BIT-NEXT: $f11 = COPY renamable $f1
+; 32BIT-NEXT: $f12 = COPY renamable $f1
+; 32BIT-NEXT: $f13 = COPY renamable $f1
+; 32BIT-NEXT: BL_NOP <mcsymbol .test_fpr_max>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $f1, implicit killed $f2, implicit killed $f3, implicit killed $f4, implicit killed $f5, implicit killed $f6, implicit killed $f7, implicit killed $f8, implicit killed $f9, implicit killed $f10, implicit killed $f11, implicit killed $f12, implicit killed $f13, implicit $r2, implicit-def $r1
+; 32BIT-NEXT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT:      renamable $x3 = LDtoc @d1, $x2 :: (load 8 from got)
+; 64BIT-NEXT: renamable $f1 = LFD 0, killed renamable $x3 :: (dereferenceable load 8 from @d1)
+; 64BIT-NEXT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT: $f2 = COPY renamable $f1
+; 64BIT-NEXT: $f3 = COPY renamable $f1
+; 64BIT-NEXT: $f4 = COPY renamable $f1
+; 64BIT-NEXT: $f5 = COPY renamable $f1
+; 64BIT-NEXT: $f6 = COPY renamable $f1
+; 64BIT-NEXT: $f7 = COPY renamable $f1
+; 64BIT-NEXT: $f8 = COPY renamable $f1
+; 64BIT-NEXT: $f9 = COPY renamable $f1
+; 64BIT-NEXT: $f10 = COPY renamable $f1
+; 64BIT-NEXT: $f11 = COPY renamable $f1
+; 64BIT-NEXT: $f12 = COPY renamable $f1
+; 64BIT-NEXT: $f13 = COPY renamable $f1
+; 64BIT-NEXT: BL8_NOP <mcsymbol .test_fpr_max>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit killed $f2, implicit killed $f3, implicit killed $f4, implicit killed $f5, implicit killed $f6, implicit killed $f7, implicit killed $f8, implicit killed $f9, implicit killed $f10, implicit killed $f11, implicit killed $f12, implicit killed $f13, implicit $x2, implicit-def $r1
+; 64BIT-NEXT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define double @test_fpr_max(double %d1, double %d2, double %d3, double %d4, double %d5, double %d6, double %d7, double %d8, double %d9, double %d10, double %d11, double %d12, double %d13) {
+entry:
+  %add = fadd double %d1, %d2
+  %add1 = fadd double %add, %d3
+  %add2 = fadd double %add1, %d4
+  %add3 = fadd double %add2, %d5
+  %add4 = fadd double %add3, %d6
+  %add5 = fadd double %add4, %d7
+  %add6 = fadd double %add5, %d8
+  %add7 = fadd double %add6, %d9
+  %add8 = fadd double %add7, %d10
+  %add9 = fadd double %add8, %d11
+  %add10 = fadd double %add9, %d12
+  %add11 = fadd double %add10, %d13
+  ret double %add11
+}
+
+; CHECK-LABEL: name: test_fpr_max{{.*}}
+
+; CHECK:      liveins:
+; CHECK-NEXT: - { reg: '$f1', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f2', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f3', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f4', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f5', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f6', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f7', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f8', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f9', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f10', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f11', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f12', virtual-reg: '' }
+; CHECK-NEXT: - { reg: '$f13', virtual-reg: '' }
+; CHECK:      body:             |
+; CHECK-NEXT:   bb.0.entry:
+; CHECK-NEXT:     liveins: $f1, $f2, $f3, $f4, $f5, $f6, $f7, $f8, $f9, $f10, $f11, $f12, $f13
+
+define void @call_test_mix() {
+entry:
+  %0 = load float, float* @f1, align 4
+  %1 = load double, double* @d1, align 8
+  call i32 @test_mix(float %0, i32 1, double %1, i8 signext 97)
+  ret void
+}
+
+; CHECK-LABEL: name: call_test_mix{{.*}}
+
+; 32BIT:      renamable $r[[REG1:[0-9]+]] = LWZtoc @f1, $r2 :: (load 4 from got)
+; 32BIT-NEXT: renamable $r[[REG2:[0-9]+]] = LWZtoc @d1, $r2 :: (load 4 from got)
+; 32BIT-NEXT: renamable $f1 = LFS 0, killed renamable $r[[REG1]] :: (dereferenceable load 4 from @f1)
+; 32BIT-NEXT: renamable $f2 = LFD 0, killed renamable $r[[REG2]] :: (dereferenceable load 8 from @d1)
+; 32BIT-NEXT: ADJCALLSTACKDOWN 56, 0, implicit-def dead $r1, implicit $r1
+; 32BIT-NEXT: $r4 = LI 1
+; 32BIT-NEXT: $r7 = LI 97
+; 32BIT-NEXT: BL_NOP <mcsymbol .test_mix>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $f1, implicit $r4, implicit $f2, implicit killed $r7, implicit $r2, implicit-def $r1
+; 32BIT-NEXT: ADJCALLSTACKUP 56, 0, implicit-def dead $r1, implicit $r1
+
+; 64BIT:      renamable $x[[REG1:[0-9]+]] = LDtoc @f1, $x2 :: (load 8 from got)
+; 64BIT-NEXT: renamable $x[[REG2:[0-9]+]] = LDtoc @d1, $x2 :: (load 8 from got)
+; 64BIT-NEXT: renamable $f1 = LFS 0, killed renamable $x[[REG1]] :: (dereferenceable load 4 from @f1)
+; 64BIT-NEXT: renamable $f2 = LFD 0, killed renamable $x[[REG2]] :: (dereferenceable load 8 from @d1)
+; 64BIT-NEXT: ADJCALLSTACKDOWN 112, 0, implicit-def dead $r1, implicit $r1
+; 64BIT-NEXT: $x4 = LI8 1
+; 64BIT-NEXT: $x6 = LI8 97
+; 64BIT-NEXT: BL8_NOP <mcsymbol .test_mix>, csr_aix64, implicit-def dead $lr8, implicit $rm, implicit $f1, implicit $x4, implicit $f2, implicit killed $x6, implicit $x2, implicit-def $r1
+; 64BIT-NEXT: ADJCALLSTACKUP 112, 0, implicit-def dead $r1, implicit $r1
+
+define i32 @test_mix(float %f, i32 signext %i, double %d, i8 signext %c) {
+entry:
+  %conv = fpext float %f to double
+  %add = fadd double %conv, %d
+  %conv1 = fptrunc double %add to float
+  %conv2 = zext i8 %c to i32
+  %add3 = add nsw i32 %i, %conv2
+  %conv4 = sitofp i32 %add3 to float
+  %add5 = fadd float %conv4, %conv1
+  %conv6 = fptosi float %add5 to i32
+  ret i32 %conv6
+}
+
+; CHECK-LABEL: name: test_mix{{.*}}
+
+; 32BIT:      liveins:
+; 32BIT-NEXT: - { reg: '$f1', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$f2', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r7', virtual-reg: '' }
+; 32BIT:      body:             |
+; 32BIT-NEXT:   bb.0.entry:
+; 32BIT-NEXT:     liveins: $f1, $f2, $r4, $r7
+
+; 64BIT:      liveins:
+; 64BIT-NEXT: - { reg: '$f1', virtual-reg: '' }
+; 64BIT-NEXT: - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT: - { reg: '$f2', virtual-reg: '' }
+; 64BIT-NEXT: - { reg: '$x6', virtual-reg: '' }
+; 64BIT:      body:             |
+; 64BIT-NEXT:   bb.0.entry:
+; 64BIT-NEXT:     liveins: $f1, $f2, $x4, $x6
+
+
+define i64 @callee_mixed_ints(i32 %a, i8 signext %b, i32 %c, i16 signext %d, i64 %e) {
+entry:
+  %conv = zext i8 %b to i32
+  %add = add nsw i32 %a, %conv
+  %add1 = add nsw i32 %add, %c
+  %conv2 = sext i16 %d to i32
+  %add3 = add nsw i32 %add1, %conv2
+  %conv4 = sext i32 %add3 to i64
+  %add5 = add nsw i64 %conv4, %e
+  ret i64 %add5
+  }
+
+; CHECK-LABEL: name:  callee_mixed_ints
+
+; 32BIT:      liveins:
+; 32BIT-NEXT: - { reg: '$r3', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r4', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r5', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r6', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r7', virtual-reg: '' }
+; 32BIT-NEXT: - { reg: '$r8', virtual-reg: '' }
+; 32BIT:      body:             |
+; 32BIT-NEXT:  bb.0.entry:
+; 32BIT-NEXT:   liveins: $r3, $r4, $r5, $r6, $r7, $r8
+  
+; 64BIT:        liveins:
+; 64BIT-NEXT:   - { reg: '$x3', virtual-reg: '' }
+; 64BIT-NEXT:   - { reg: '$x4', virtual-reg: '' }
+; 64BIT-NEXT:   - { reg: '$x5', virtual-reg: '' }
+; 64BIT-NEXT:   - { reg: '$x6', virtual-reg: '' }
+; 64BIT-NEXT:   - { reg: '$x7', virtual-reg: '' }
+; 64BIT:        body:             |
+; 64BIT-NEXT:    bb.0.entry:
+; 64BIT-NEXT:     liveins: $x3, $x4, $x5, $x6, $x7