| ; Test some of the calling convention lowering done by the MBlaze backend. |
| ; We test that integer values are passed in the correct registers and |
| ; returned in the correct registers. Additionally, we test that the stack |
| ; is used as appropriate for passing arguments that cannot be placed into |
| ; registers. |
| ; |
| ; RUN: llc < %s -march=mblaze | FileCheck %s |
| |
| declare i32 @printf(i8*, ...) |
| @MSG = internal constant [13 x i8] c"Message: %d\0A\00" |
| |
| define void @params0_noret() { |
| ; CHECK: params0_noret: |
| ret void |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| } |
| |
| define i8 @params0_8bitret() { |
| ; CHECK: params0_8bitret: |
| ret i8 1 |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r0, 1}} |
| } |
| |
| define i16 @params0_16bitret() { |
| ; CHECK: params0_16bitret: |
| ret i16 1 |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r0, 1}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| } |
| |
| define i32 @params0_32bitret() { |
| ; CHECK: params0_32bitret: |
| ret i32 1 |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r0, 1}} |
| } |
| |
| define i64 @params0_64bitret() { |
| ; CHECK: params0_64bitret: |
| ret i64 1 |
| ; CHECK: {{.* r3, r0, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r4, r0, 1}} |
| } |
| |
| define i32 @params1_32bitret(i32 %a) { |
| ; CHECK: params1_32bitret: |
| ret i32 %a |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r5, r0}} |
| } |
| |
| define i32 @params2_32bitret(i32 %a, i32 %b) { |
| ; CHECK: params2_32bitret: |
| ret i32 %b |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r6, r0}} |
| } |
| |
| define i32 @params3_32bitret(i32 %a, i32 %b, i32 %c) { |
| ; CHECK: params3_32bitret: |
| ret i32 %c |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r7, r0}} |
| } |
| |
| define i32 @params4_32bitret(i32 %a, i32 %b, i32 %c, i32 %d) { |
| ; CHECK: params4_32bitret: |
| ret i32 %d |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r8, r0}} |
| } |
| |
| define i32 @params5_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) { |
| ; CHECK: params5_32bitret: |
| ret i32 %e |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r9, r0}} |
| } |
| |
| define i32 @params6_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f) { |
| ; CHECK: params6_32bitret: |
| ret i32 %f |
| ; CHECK-NOT: {{.* r3, .*, .*}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| ; CHECK: {{.* r3, r10, r0}} |
| } |
| |
| define i32 @params7_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| i32 %g) { |
| ; CHECK: params7_32bitret: |
| ret i32 %g |
| ; CHECK: {{lwi? r3, r1, 32}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| } |
| |
| define i32 @params8_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| i32 %g, i32 %h) { |
| ; CHECK: params8_32bitret: |
| ret i32 %h |
| ; CHECK: {{lwi? r3, r1, 36}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| } |
| |
| define i32 @params9_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| i32 %g, i32 %h, i32 %i) { |
| ; CHECK: params9_32bitret: |
| ret i32 %i |
| ; CHECK: {{lwi? r3, r1, 40}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| } |
| |
| define i32 @params10_32bitret(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, |
| i32 %g, i32 %h, i32 %i, i32 %j) { |
| ; CHECK: params10_32bitret: |
| ret i32 %j |
| ; CHECK: {{lwi? r3, r1, 44}} |
| ; CHECK-NOT: {{.* r4, .*, .*}} |
| ; CHECK: rtsd |
| } |
| |
| define void @testing() { |
| %MSG.1 = getelementptr [13 x i8]* @MSG, i32 0, i32 0 |
| |
| call void @params0_noret() |
| ; CHECK: brlid |
| |
| %tmp.1 = call i8 @params0_8bitret() |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i8 %tmp.1) |
| |
| %tmp.2 = call i16 @params0_16bitret() |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i16 %tmp.2) |
| |
| %tmp.3 = call i32 @params0_32bitret() |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.3) |
| |
| %tmp.4 = call i64 @params0_64bitret() |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i64 %tmp.4) |
| |
| %tmp.5 = call i32 @params1_32bitret(i32 1) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.5) |
| |
| %tmp.6 = call i32 @params2_32bitret(i32 1, i32 2) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.6) |
| |
| %tmp.7 = call i32 @params3_32bitret(i32 1, i32 2, i32 3) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.7) |
| |
| %tmp.8 = call i32 @params4_32bitret(i32 1, i32 2, i32 3, i32 4) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.8) |
| |
| %tmp.9 = call i32 @params5_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.9) |
| |
| %tmp.10 = call i32 @params6_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| i32 6) |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: {{.* r10, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.10) |
| |
| %tmp.11 = call i32 @params7_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| i32 6, i32 7) |
| ; CHECK: {{swi? .*, r1, 28}} |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: {{.* r10, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.11) |
| |
| %tmp.12 = call i32 @params8_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| i32 6, i32 7, i32 8) |
| ; CHECK: {{swi? .*, r1, 32}} |
| ; CHECK: {{swi? .*, r1, 28}} |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: {{.* r10, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.12) |
| |
| %tmp.13 = call i32 @params9_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| i32 6, i32 7, i32 8, i32 9) |
| ; CHECK: {{swi? .*, r1, 36}} |
| ; CHECK: {{swi? .*, r1, 32}} |
| ; CHECK: {{swi? .*, r1, 28}} |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: {{.* r10, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.13) |
| |
| %tmp.14 = call i32 @params10_32bitret(i32 1, i32 2, i32 3, i32 4, i32 5, |
| i32 6, i32 7, i32 8, i32 9, i32 10) |
| ; CHECK: {{swi? .*, r1, 40}} |
| ; CHECK: {{swi? .*, r1, 36}} |
| ; CHECK: {{swi? .*, r1, 32}} |
| ; CHECK: {{swi? .*, r1, 28}} |
| ; CHECK: {{.* r5, .*, .*}} |
| ; CHECK: {{.* r6, .*, .*}} |
| ; CHECK: {{.* r7, .*, .*}} |
| ; CHECK: {{.* r8, .*, .*}} |
| ; CHECK: {{.* r9, .*, .*}} |
| ; CHECK: {{.* r10, .*, .*}} |
| ; CHECK: brlid |
| call i32 (i8*,...)* @printf(i8* %MSG.1, i32 %tmp.14) |
| |
| ret void |
| } |
